助动词have的用法和例句
have作为助动词可以:
1.构成完成时态(have+过去分词):
What has happened?
出了什么事?
He told me Jane had left.
他告我简已经走了。
She will have arrived by this time tomorrow.
明天这时她就会到了。
How long have you been there?
你在那里待了多久?
2.构成完成进行时态(have+been+现在分词)
We have been trying to contact you.
我们一直在想和你联系。
She has been teaching there for thirty years.
她在里任达三十年。
That was the book he had been looking for.
这是他一直在找的书。
另外,have (got)to还可构成谓语,表“不得不”:
We have(got)to be careful.
我们得小心。
You don't have to worry.
你不必忧虑。
本文发布于2011-09-27,上次编辑于2011-09-27。
-
过去完成进行时(The Past Perfect Continuous Tense)
过去完成进行时(The Past Perfect Continuou……
2011-09-27
-
助动词be的用法与例句
I.be作为助动词可以: 1.构成进行时态(be+现在分词) I……
2011-09-09
-
现在完成进行时(The Present Perfect Continuous Tense)
现在完成进行时(The Present Perfect Contin……
2011-09-27
-
助动词should的用法和例句
1.should作助动词主要用于过去将来时,用于第一人称: I t……
2011-09-09
-
情态动词must和ought的用法和例句
I.must主要用来表示: 1.必须,一定要: We must ……
2011-09-09
-
现在完成时的构成和用法
1 现在完成时由“have(has)+过去分词”构成,第三人称单数用……
2011-09-09