can't help doing 造句

Question

can't help doing 忍不住做某事 跟must be 和must have been造句？
比如 他昨晚听到这个笑话肯定忍不住笑了 用英语怎么翻译

Answer 1

为你解答。
1、can't help doing：忍不住做某事
We couldn't help laughing after hearing the joke.
听了那个笑话，我们都忍不住大笑起来。

2、must be
The new bicycle must be Lucy's.
这辆新单车一定是Lucy的。

3、must have been
The key must have been in his pocket.
那把钥匙当时一定是在他的口袋里。

Answer 2

I couldn't help smiling when I heard her singing.
It must be Mr. Y, who likes to help others.
That man must have been a soldier. 他肯定当过兵
I'm sure he could't help laughing when he heard this joke last night.
肯定忍不住只能换种说法本回答被提问者采纳

Answer 3

He couldn't help laughing when he heard the joke last night.
Your english must be very good.
I think she must have been a singer.
must have been是对过去事实的肯定猜测，must be是对现在事实的肯定猜测

Answer 4

I can't help opening the box,because there must be some unexpected things in it.追问

他昨晚听到这个笑话肯定忍不住笑了 像这句话如果用英语翻译要怎么翻译呢？

追答

He heard the joke certainly couldn't help but laugh last night.

Answer 5

I can't help shaking my legs.
You must be the killer!
He must have been killed....追问

我是想问can't help doing和must have been结合在一起的造句 谢谢