unit1 grammar[上学期]
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课件27张PPT。Module 2 Unit 1 Tales of the unexplainedWhy do we carry out space exploration?Grammar and usageWe have been doing research on space exploration.( present perfect continuous tense)
We have done research on space exploration.( present perfect tense)
1. Do you know when we should use the present perfect tense? A. When we talk about things that happened in the recent past, but are connected to the present.
e.g. The disappearance of Justin has made Kelly very unhappy.
B. When To talk sth that started in the past, and is still happening now.
e.g. I have not seen Justin since last Friday night
C. When to talk about actions that were completed only a short time ago
e.g. The police have just finished searching the area.
D. For repeated actions
e.g. some villagers say that they have seen UFOs many times.2. What is the basic structure of the present perfect tense?subject + auxiliary verb (has/have) +done+ object3.We often use it with time expressions.
Such as : already ever for just lately never recently since yetQ1. What’s the difference between already and yet?e.g. The boy has already come here.
I haven’t heard anything from him yetTip: Already is for affirmative statements;
Yet is for negative statementsQ2. What’s the difference between for and since?e.g. 1. we haven’t seen him for two years.
2. We haven’t seen him since 2002.Tip: for + a period of time;
Since + a point in timeMy friend Jack has just sent me an e-mail, telling me about his travels around the world. He ___________(just been) to Qomolangma Base Camp and____ (see) a Yeti there. He is still very excited about it. He________(visit) the Great Pyramid in Egypt too. He says that he _______(love) Egypt but he __________(not visit) all the pyramids yet.
He________(swim) in Loch Ness, but luckily he ___________(never meet) the Loch Ness Monster! He_________(dive) in the Indian Ocean many times looking for treasure. Although he_________(find) many sunken ships, he __________(not find) any treasure.
_____he_____(be) to the Great Wall before? I’m not sure—but I have!has just beensawhas visitedloveshasn’t visitedhas swumhas never methas divedhas foundhasn’t foundHas beenPresent perfect continuous tense
When to use it?
A. When we talk about actions that started in the past and are still continuing.
e.g. I have not been sleeping well since I returned home.
B. When we talk about actions that have just finished but are still connected to the present in some way.
e.g.
Kelly: Sorry I’m late. Have you been waiting long?
Mavis: Yes. I’ve been waiting for an hour.
(non-stop)2.What is the structure?subject + have/has been doing +…Fill in the missing words.They (2)____________________ to me since 1964. They speak English well!have been talkingI also know some Yetis. I (3)_________________ photos of them since 1977.have been takingI(4) _____________________ the Loch Ness Monster on the Internet too.have been watchingRecently I(5) _________ an unusual number of UFOs!have seenI(6) _____________________ a book on UFOs. I should be able to finish it early next year.have been writing
Homework: 评价手册Lesson5
See you next time
Present perfect or
present perfect continuous?Grammar and usage
(2)Differences between them 1. Completed in the recent past/ started in the past and is still happening.Li Jia has read a book about stonehenge.
(She finished reading the book.)Li Jia has been reading a book about stonehenge.
(She is still reading the book.)2.For repeated actions/for non-stop actions
e.g. I have visited Egypt twice this months
I have been touring Egypt for two months
Asking questions with:
How many or how much / how long
e.g. how many times have you swum in the lake?
how long have you been swimming in the lake?3.A state verb or an action verb/ an action verb
e.g. I have had this camera for five years.
I have taken photos of UfOs with camera.
I have been taking photos of UFOs with this camera.4. never, yet, already and ever is just for present perfect tense.
I’ve never visited Paris
I’ve already been to Paris.Choose the right words_________________________________Where do you think the boy has been waiting?
What have the aliens been travelling in? What does it look like?
Who else have the aliens talked to?
What other planets have the aliens visited?Homework: 评价手册lesson 6
We have done research on space exploration.( present perfect tense)
1. Do you know when we should use the present perfect tense? A. When we talk about things that happened in the recent past, but are connected to the present.
e.g. The disappearance of Justin has made Kelly very unhappy.
B. When To talk sth that started in the past, and is still happening now.
e.g. I have not seen Justin since last Friday night
C. When to talk about actions that were completed only a short time ago
e.g. The police have just finished searching the area.
D. For repeated actions
e.g. some villagers say that they have seen UFOs many times.2. What is the basic structure of the present perfect tense?subject + auxiliary verb (has/have) +done+ object3.We often use it with time expressions.
Such as : already ever for just lately never recently since yetQ1. What’s the difference between already and yet?e.g. The boy has already come here.
I haven’t heard anything from him yetTip: Already is for affirmative statements;
Yet is for negative statementsQ2. What’s the difference between for and since?e.g. 1. we haven’t seen him for two years.
2. We haven’t seen him since 2002.Tip: for + a period of time;
Since + a point in timeMy friend Jack has just sent me an e-mail, telling me about his travels around the world. He ___________(just been) to Qomolangma Base Camp and____ (see) a Yeti there. He is still very excited about it. He________(visit) the Great Pyramid in Egypt too. He says that he _______(love) Egypt but he __________(not visit) all the pyramids yet.
He________(swim) in Loch Ness, but luckily he ___________(never meet) the Loch Ness Monster! He_________(dive) in the Indian Ocean many times looking for treasure. Although he_________(find) many sunken ships, he __________(not find) any treasure.
_____he_____(be) to the Great Wall before? I’m not sure—but I have!has just beensawhas visitedloveshasn’t visitedhas swumhas never methas divedhas foundhasn’t foundHas beenPresent perfect continuous tense
When to use it?
A. When we talk about actions that started in the past and are still continuing.
e.g. I have not been sleeping well since I returned home.
B. When we talk about actions that have just finished but are still connected to the present in some way.
e.g.
Kelly: Sorry I’m late. Have you been waiting long?
Mavis: Yes. I’ve been waiting for an hour.
(non-stop)2.What is the structure?subject + have/has been doing +…Fill in the missing words.They (2)____________________ to me since 1964. They speak English well!have been talkingI also know some Yetis. I (3)_________________ photos of them since 1977.have been takingI(4) _____________________ the Loch Ness Monster on the Internet too.have been watchingRecently I(5) _________ an unusual number of UFOs!have seenI(6) _____________________ a book on UFOs. I should be able to finish it early next year.have been writing
Homework: 评价手册Lesson5
See you next time
Present perfect or
present perfect continuous?Grammar and usage
(2)Differences between them 1. Completed in the recent past/ started in the past and is still happening.Li Jia has read a book about stonehenge.
(She finished reading the book.)Li Jia has been reading a book about stonehenge.
(She is still reading the book.)2.For repeated actions/for non-stop actions
e.g. I have visited Egypt twice this months
I have been touring Egypt for two months
Asking questions with:
How many or how much / how long
e.g. how many times have you swum in the lake?
how long have you been swimming in the lake?3.A state verb or an action verb/ an action verb
e.g. I have had this camera for five years.
I have taken photos of UfOs with camera.
I have been taking photos of UFOs with this camera.4. never, yet, already and ever is just for present perfect tense.
I’ve never visited Paris
I’ve already been to Paris.Choose the right words_________________________________Where do you think the boy has been waiting?
What have the aliens been travelling in? What does it look like?
Who else have the aliens talked to?
What other planets have the aliens visited?Homework: 评价手册lesson 6