祈使句表示请求或命令别人做某事或不要做某事。
肯定式:
以动词原形开头(有时有please)
否定式:
don't+动词原形开头(有时有please)
如:
be careful!
please open your books.
let me have a try.
don’t open the door.
注意:
把祈使句改为否定句只需在动词前加don't即可。
祈使句表示请求或命令别人做某事或不要做某事。
肯定式:
以动词原形开头(有时有please)
否定式:
don't+动词原形开头(有时有please)
如:
be careful!
please open your books.
let me have a try.
don’t open the door.
注意:
把祈使句改为否定句只需在动词前加don't即可。
祈使句表示请求或命令别人做某事或不要做某事。
肯定式:
以动词原形开头(有时有please)
否定式:
don't+动词原形开头(有时有please)
如:
be careful!
please open your books.
let me have a try.
don’t open the door.
注意:
把祈使句改为否定句只需在动词前加don't即可。
祈使句用以表达命令,要求,请求,劝告等。
1) 祈使句有两种类型,一种是以动词原形开头,在动词原形之前加do (但只限于省略第二人称主语的句子)。
take this seat.
do be careful.
否定结构:
don't move.
don't be late.
2) 第二种祈使句以let开头。
let 的反意疑问句
a. let's 包括说话者
let's have another try,shall we / shan't we?
= shall we have another try?
b. let us 不包括说话者
let us have another try,will you / won't you?
= will you please let us have another try?
否定结构:
let's not talk of that matter.
let us not talk of that matter.
祈使句表示请求或命令别人做某事或不要做某事。
肯定式:
以动词原形开头(有时有please)
否定式:
don't+动词原形开头(有时有please)
如:
be careful!
please open your books.
let me have a try.
don’t open the door.
注意:
把祈使句改为否定句只需在动词前加don't即可。
祈使句表示请求或命令别人做某事或不要做某事。
肯定式:
以动词原形开头(有时有please)
否定式:
don't+动词原形开头(有时有please)
如:
be careful!
please open your books.
let me have a try.
don’t open the door.
注意:
把祈使句改为否定句只需在动词前加don't即可。
29位用户关注
22位用户关注
68位用户关注
42位用户关注
63位用户关注
60位用户关注
69位用户关注