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Grammar
2
Grammar A
Open the door, Daisy.
Don’t open the door, Daisy.
Let’s make a million smiles.
Be quiet, girls.
Don’t be late again!
When do we use these sentences?
We use these sentences to give orders or advice .
Imperative(祈使句):
Positive imperative(肯定句):
Negative imperative（否定句）:
以动词原形开头。(省略主语you)
e.g. Open the window.
Don’t/ Never + 以动词原形开头的祈使句。
e.g. Don’t open the window.
Never give up.
Don’t be late.
Exercise:
( ) 1. late again, Bill!
A. Don’t to be B. Don’t be C. Not be D. Be not
( ) 2. cross the road until the traffic lights turn green.
A. Not B. Won’t C. Doesn’t D. Don’t
( ) 3. Kate, your homework here tomorrow.
A. bring B. brings C. to bring D. bringing
( ) 4. me the truth, or I’ll be angry.
A. Telling B. To tell C. Told D. Tell
A
B