2020-2021学年Unit 4 Numbers教案配套课件ppt

这是一份2020-2021学年Unit 4 Numbers教案配套课件ppt，共14页。PPT课件主要包含了Numbers，Exercises，Tips，throw sand等内容，欢迎下载使用。

Amazing things
Grammar (IV):Imperatives
Psitive and negative imperatives
Add 3 and 9.
Divide 9 by 3.
are imperatives.
We use imperatives t give instructins, rders r advice.
Generally, we use imperatives nly with peple the same age as us r yunger.
Wash the clthes in warm water.
Be quiet, Ben.
Have sme ice cream, please.
We d nt use imperatives when speaking t peple lder than us except in the fllwing situatins:
emergencies ‘I’m bleeding! Call an ambulance!’cheering ‘G Dad! Make a gal!’sme requests ‘Mum, help me, please.’
Psitive imperatives
Give me yur hmewrk, Ben.
Please turn ff yur mbile phnes.
Be quiet, girls!
There are psitive and negative imperatives.
Negative imperatives
D nt turn n yur mbile phnes.
Dn’t cpy Jane’s wrk, Sally.
Please dn’t be late again!
Use the base frm f verbs in psitive imperatives. Add dn’t befre the base frm f verbs in negative imperatives, e.g., Give/Dn’t give me yur hmewrk, Ben.We may add please befre the base frm f verbs, e.g., Please turn ff/dn’t turn ff yur mbile phnes.We need t add be befre adjectives when we use them as imperatives, e.g., Be/Dn’t be quiet, girls!
A Lk at the example sentences in the table again. Which nes are plite?
B What des the teacher say? Make sentences with the wrds r phrases in the bx. Sme f the sentences must begin with Dn’t.
Ben is eating in class.
Amy has left the dr pen n a cld day.
________________________________________
Dn’t eat in class, Ben.
Please clse the dr, Amy.
Sue is answering a questin but the teacher can’t hear her.
Mike is falling asleep in class.
Please speak luder, Sue.
Dn’t sleep in class, Mike.
Andy has brught his pet muse t schl.
Harry is lking at page 47. He shuld be lking at page 74.
Dn’t bring yur pet muse t schl, Andy!
Harry, turn t page 74.
C1 Sam’s grandmther lks after his little sister, Pat. Sam is writing a pem abut them. First, lk at the wrds in these bxes, and find the crrect pairs.
make a big castle
wash yur hands
climb up the ladder
eat this nice cake
fall ff the wall
C2 Help Sam cmplete his pem. Use the wrds and phrases in C1. Begin sme f them with Dn’t.
Grandma and PatGrandma lks after Pat all day.She takes her t the park.(1)____________________________, Pat. Clever girl.Dn’t (2)_____________________________________!(3)_____________________________. That’s naughty.(4)_______________________________. That’s gd.Nw, (5)_________________________________, Pat.Are yu hungry, Patty? Here. (6)_________________.Grandma and Pat,Yung and ld,Happy tgether.
Climb up the ladder
Dn’t thrw sand
Make a big castle