现在时
dare to 少用
dare/dares to do
过去时
dare to 少用
dared to do
否定句
现在时
daren’t/dare not do
do/does not dare (to) do
过去时
dared not do
did not dare (to) do
疑问句
现在时
Dare he do?
Do you/Does he dear (to) do?
过去时
Dared he do?
Did he dare (to) do
needn’t have v-ed 表示过去做了某事,但没有做的必要, 意为“本没必要…”。例如:
You needn’t have waken me up; I don’t have to go to work today
10.表推测的情态动词句子的反意疑问句
He must/may be in the room, isn’t he?
He can’t be in the room, is he?
He must have finished the work, hasn’t he?
He may have done the work last night, didn’t he?
:情态动词+行为动词进行式
情态动词+行为动词进行式(即情态动词+ be + v-ing形式),表示推测或评论某动作现在是否正在进行。例如:
1)He must be playing basketball in the room.
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