《單元語法聚焦》Safety PPT
第一部分內(nèi)容:教材典句
1.Look at this yellow star, Brian and Jenny!
布萊恩、詹妮,看這顆黃色的星星!
2.Let me get the ladder for you.
讓我給你拿把梯子。
3.Don't stand on chairs.
不要站在椅子上。
4. Be careful with scissors and knives!
小心剪刀和刀子!
5. Never smoke because of much pressure!
永遠不要因為壓力大而吸煙!
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單元語法聚焦PPT,第二部分內(nèi)容:語法探究
1. 定義
祈使句是英語中的基本句型之一,用來表達建議、命令、請求、警告、勸告、禁止等語氣。祈使句的主語一般為第
________人稱,通?梢訽_______。為了使語氣更加客氣或緩和,可在句前或句末加上________一詞。
2. 構(gòu)成
(1)祈使句的肯定形式一般以________動詞或________動詞原形開始,也可以以動詞let 開始。
(2)祈使句的否定形式一般在句首加________或________。
(3)以let開頭的祈使句:
肯定句:Let him come in.
否定句:Don't let him come in.或Let him not come in.
(4)有些祈使句可用No開頭,表示禁止。
No smoking, please. 請不要吸煙。
No photos! 禁止拍照!
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單元語法聚焦PPT,第三部分內(nèi)容:實戰(zhàn)演練
Ⅰ.單項選擇
( ) 1. 2017·白銀 Boys and girls,________ learning and have fun.
A.keep B.to keep
C.keeping D.kept
( ) 2. ________carefully, please! Look at the road sign. There is a school ahead.
A.Drive B.To drive
C.Driving D.Drives
( ) 3. ________ patient with him, please. He is only three years old.
A.Don't B.Be
C.Is D.Does
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