课件36张PPT。Unit4《Save the trees》 GrammarListening to a song to fill in the blanks.Singing: What(1) ____ you _____?
(2)__________________
__________________
What(3) _____you ______?
_(4)_____________________
cooking,cooking,cooking
What(5) _____you______?
(6)____________________
en, yummy
what are you doing?
_(7)________________________ are doingI’m watching TVI’m watching TV are doingI’m cooking.are doingI’m eating, eating.I’m washing my hands.The Present Continuous Tense现在进行时基本结构be + V-ing
(am, is, are)Look at the pictures to answer the questions.Henry is doing his homework.What is Henry doing?She is listening to music.What is she doing?What are they doing?They are reading books.He is doing his homework.She is listening to music.They are reading books.What are they doing?What is he doing?What is she doing?肯定句
否定句
一般疑问句
特殊疑问句结构?现在进行时句型肯定句:主语+ be 现在分词+其它She is swimming in the sea.
否定句:在be动词后加notShe is not swimming in the sea.一般疑问句:把be动词提前Is she swimming in the sea?特殊疑问句:特殊疑问词+一般疑问句What is she doing in the sea?Where is she swimming??Sentence pattern transformation
句型转换变否定句变一般疑问句变特殊疑问句变否定句My dad is fishing now.My dad isn’t fishing now.They are eating some hot dogs.They are not eating
any hot dogs.变否定句变一般疑问句Tom is playing basketball now. Is Tom playing basketball now?They are speaking in English. Are they speaking English?变一般疑问句变特殊疑问句Sam is eating an apple .What is Sam eating?变特殊疑问句They are drinking water . Who are drinking water ?现在进行时定义定义:现在进行时态表示现在(说话瞬间)正在进行或发生的动作,翻译成正在做某事。 Look! That dog is barking.
He is listening to the radio now.
Listen! She is singing. these days
at this time
at the moment现在进行时的标志词look, now, listen2.现在进行时态还可以表示当前一段时间内的活动或现阶段正发生的事情,翻译成一直在做某事。 We are working on a farm these days.
I am writing a book at this time.
They are staying at Peter’s house at the moment.Guess:
What are they doing?Let’s play a game:Who is the guessing champion?Are they + v-ing…?
Is it/he/she + v-ing…?Guessing Game(Pair work) Is the pig ________?
Yes, it is. No, it isn’t.
What is it doing?
It is …skatingGuessing Game Is the girl … ?
Yes, she is. No, she isn’t.
What is she doing?
She is … eating noddlesGuessing Game Is the boy… ?
Yes, he is. No, he isn’t.
What is he doing?
He is …playing the guitarAre they…?
Yes, they are.
No, they aren’t.
What are they doing?
They are …Guessing Game dancingHow to change the forms of present participle.
现在分词的变化规则现在分词变化规则直:直接加ing
(do---doing talk---talking
study---studying play---playing
fish– finshing think-thinking)
去:去末尾不发音的e加ing
(leave---leaving have---having
dance----dancing ride----riding
come—coming make-making)
双:重读闭音节双写尾字母加ing
(sit---sitting forget---forgetting
run---running begin---beginning
swim—swimming put-putting)
改:把ie变为y加ing
(die- dying lie---lying躺 tie-tying系,栓 )isdoingis playingare playingis fishingis swimmingare lyingis eatingis playingam talkingWe cannot use some verbs in the present continuous tense.?现在进行时的特殊用法: D.有些动词(状态动词不用于进行时态) 4. 表示拥有的动词want, belong to(属于)1.表示知道或了解的动词:
believe, know, understand 2. 表示喜爱或不喜爱hate, like, love, prefer 3.表示感官的动词 see smell sound taste is ringingknowam thinkingpreferGrammar exercisesmellsareeatingam eatingDo wantGrammar exercise注意:
come ,go, leave, more,arrive
进行时表将来Summary现在分词变化:直,去,双,改状态动词不能用于进行时eat--begin--leave—lie—cry--eatingbeginningleavinglyingcryinguse--usingstop--stoppingstudy--die--put--have--wait--get--studyingdyingputtinghavingwaitinggetting现在分词变化形式抢答:dig--diggingcarry--carryingYou act I guess你比划我来猜: Rule swimming
brushing teeth
dancing
washing hair
reading books
listening to music
playing the piano
Student A: Use body language to act one of six actions
Student B: To guess ,e.g.
Ask: Is she/he dancing?
Other students: Answer Yes, she/he is or No, she/he isn’t ?Correct the mistakes (改错) Look! Simon and I having a birthday party. There are many friends at our party. Lucy and Lily is siting on the floor. They are play with Mary. Some of my friends is singing and danceing.________are having_________are sitting_____playing__are___________dancing