could造句怎麼造 怎樣用could造句

1、Could you please help me?

你能幫助我嗎？

2、I couldnt come over to give you a hand.

我不能過來幫助你。

3、A：——There is a d it be Tom?

那兒有個男子。可能是湯姆嗎？

B：——It couldnt be Tom has gone to Beijing yesterday.

不可能是湯姆。他昨天已經去北京了。

4、Jack said he could finish the work all by himeself.

傑克說，他靠自己完全能夠完成這項工作。

5、He could have completed the project on time then if he made all efforts.

如果他全力以赴的話，他當時本來萌購按時完成這項工程的。