Unit 5 Wild animals Grammar 课件(共19张PPT) 2024-2025学年牛津译林版八年级英语上册

(共19张PPT)
Unit 5 Wild animals
Grammar
Learning aims
1. To use may to say something is possible.
2. To use may, can and must for possibility in different situations.
3. To use to - infinitives as objectives.
Lead-in
Listen and answer
Listen to the song “She” and answer:
1. What's the most frequently used word in the song
2. How many times does “may” appear
May.
Ten times.
Presentation - The use of may
Observe and conclude
e.g. If we do nothing, soon there may be none left.
As a result, pandas may not have a place to live or food to eat.
We use may to say that something is possible.
Positive form Negative form
may
may not
Practice
P61 In the zoo
1. The elephant is going towards the water. It ___________ (need) a bath.
2. The little boy is crying when he saw the tigers. He ________ (be) afraid of
them.
3. I cannot go near the lions and tigers. They _________ (hurt) me.
4. The baby panda is not drinking its mum’s milk. It ___________ (not be)
hungry.
5. The monkeys are jumping around. They _______________ (be playing)
with each other.
6. The horse is standing with its eyes closed. It ________________ (be
sleeping).
may need
may be
may hurt
may not be
may be playing
may be sleeping
Pay attention
1. Compare and tell the difference：may be v.s. maybe
He may not be at home now.
=Maybe he isn’t at home now.
The baby may have something nice to eat.
=Maybe the baby has something nice to eat.
Maybe
副词
也许，可能
May
情态动词+be 情态动词+do
可能是... 可能做...
Pay attention
2. Compare and tell the difference：may, can & must表示可能
He may know the truth.
He may not know the truth.
他可能不知道照相。
He can’t know the truth.
他不可能知道真相。
Can he know the truth
He was there and saw everything.
He must know the truth.
may不疑问，can不肯定，must不疑问也不否定。
Practice
Mutiple choices
1. Go and ask Mr.Liu. He ___ tell you. A. Can B. may C. would D. must
2. She ___ be here. I saw her come in. A. can B. may C. should D. must
3. Be quite. It ___ be him. Mr. Smith is much taller.
A. mustn’t B. can’t be C. must D. may
4. —I want to be an artist, but it ______ a little hard.
—Work hard, and ______ you’ll succeed at last.
A. maybe; may be B. may be; maybe
C. maybe; maybe D. may be; may be
5. — Listen! Someone is knocking at the door. Who _______ it be
— It ________ be John. He phoned to visit me a moment ago.
A. might; can’t B. may; shouldn’t C. must; can D. can; must
Verbs + to - infinitives
Presentation - Using verbs + to - infinitives
Fill in the blanks
Hobo wants ________ (know) if Eddie would like _____ (live) in the wild. Eddie says no and thinks wild animals may become dishes on the table any time. Hobo asks Eddie ________ (not eat) the food and try ______(have) pity on them. Because many of the wild animals are in danger. We need _____ (do) something for them.
to know
to live
not to eat
to have
to do
Presentation - Using verbs + to - infinitives
Lead-in
want to do sth.
would like to do sth.
ask sb. (not) to do sth.
try to do sth.
need to do sth.
verbs + to - infinitives
Practice
P62 More about wild animals
Dad: Do you know anything special about wild animals
Amy: Yes, Dad. For example, dolphins are clever. They can _________________
(learn, work out) easy maths problems.
Dad: What do you know about bats
Amy: Rats can't see, hut they can ____________ (decide, fly) the right way with the help of their mouth and ears.
learn to work out
decide to fly
Dad: Did you know that bees never get lost
Amy: Yes. Bees always _____________________ (remember, come back)
the same way as they went.
Dad: What do you know about squirrels
Amy: They always ____________(begin, save) some food before winter comes.
Dad: Yes, but sometimes they forget where to find the food.
remember to come back
begin to save
Practice
P62 More about wild animals
Pay attention
1. verb + to - infinitives verb + V-ing
like to do sth.
love to do sth.
start to do sth.
begin to do sth.
like doing sth.
love doing sth.
start doing sth.
begin doing sth.
≈
Pay attention
2. verb + to - infinitives verb + V-ing
forget to do sth.
remember to do sth.
stop to do sth.
forget doing sth.
remember doing sth.
stop doing sth.
v.s.
Practice
Mutiple choices
1 Stop to talk, and get ready for the Maths class.
2 He often hears the girl sings in the next room.
3 It takes him half an hour getting there by bus.
4 You must finish to do your homework when I come back from office.
5 Let me to help you to learn English.
talking
sing
to get
doing
巩固练习
Mutiple choices
1. We'd better follow the seven-step hand-washing method _______healthy.
A. to keep B. keep C. keeping D. keeps
2. We must do everything we can ______waste water from running into rivers.
A. stop B. stopped C. to stop D. stopping
3. In the end, all of us managed ______ to the top of the mountain, tired but happy.
A. get B. to get C. getting D. got
巩固练习
Mutiple choices
1. You must _____ (listen) to the teacher carefully in class.
2. Mary agreed _____ (go) shopping with Lucy.
3. May decided ______ (buy) a book for Ann’s birthday.
4. Max tells funny jokes to make us ____(feel) happy.
listen
to go
to buy
feel
5. Let’s ____ (go) on a trip tomorrow.
6. The police told the boys __________ (not play) football in the street.
7. I plan ________(travel) around the world in the summertime.
8. I prepare ________ (clean) my room this afternoon.
go
not to play
to travel
to clean
Thanks for listening