begin

She began singing.

She is beginning to sing.

She began to sing.

当begin用于进行时态时，就使用不定式。

当"begin"用于非进行时态时，你既可以用动名词也可以用不定式。

dread

She dreaded taking the test.
通常“dread”后面接动名词。

He dreaded to think of the consequences of his actions.
“Dread”有时与不定式如“think”或“consider”连用。在上面的句子中，“害怕思考”的意思是“不想思考”。

forget

She forgot reading the book when she was a kid.

She forgot to pay the rent this month.

当“forget”与动名词连用时，它的意思是“忘记你已经做过的事情”。上面这句话的意思是她小时候读过这本书，而她已经忘记了这个事实。

当forget和不定式连用时，它的意思是“忘记你需要做某事”。上面的句子意味着她忘记了她需要付房租。

keep

She kept talking.

The attackers kept hostages to prevent the police from entering.

“Keep”通常与动名词连用，意思是你继续做一个动作。

“Keep”也可以与不定式后面的宾语连用，但不定式的意思是“为了... .”。在上面的句子中，袭击者扣留了人质，以防止警察进入。

need

The house needs cleaning.

He needs to call his boss.

He needs him to call his boss.

当“need”与动名词连用时，它就具有被动的意义。上面的句子意思是“房子需要打扫。”

“Need”通常与不定式或宾语 不定式连用。

regret

I regretted being late to the interview.

We regret to inform you that your position at the company is being eliminated.

“Regret”通常与动名词连用。

"Regret"有时与不定式连用，例如"to inform "。在上面的句子中，“We regret to inform you”的意思是“我们希望不必告诉你(坏消息)”。

remember

I remember mentioning the meeting yesterday.

He remembered to turn off the lights before he left.

当“remember”与动名词连用时，它的意思是“记住你已经做了某事”。上面的句子意味着我提到了会议，并且我记得我做了那件事。

当“remember”与不定式连用时，它的意思是“记住你需要做某事”。上面的句子意味着他记得他需要关灯。

start

Marge started talking really fast.

Marge is starting to talk really fast.

Marge started to talk really fast.

当“start”用于进行时，要使用不定式。

当"start"用于非进行时态时，你可以使用动名词或不定式。

I started to learn Russian, but it was so much work that I finally quit the class.

在其他情况下，不定式意味着你没有完成或继续一个动作。

stop

He stopped smoking for health reasons.

He stopped to rest for a few minutes.

"Stop"通常与动名词连用。

当“stop”与不定式连用时，不定式就有“为了……”的意思。在上面的句子中，他停下来休息几分钟。

Try

She can't find a job. She tried looking in the paper, but there was nothing. She tried asking friends and family, but nobody knew of anything. She also tried going shop to shop, but nobody was hiring.

She tried to climb the tree, but she couldn't even get off the ground.

“Try 动名词”的意思是尝试或试验不同的方法，看看某事是否有效。

当你“试着去做”某事时，你想去做，但实际上你没有成功。在上面的句子中，使用了不定式，因为她不能成功地爬上树。

She tried eating the snake soup, but she didn't like it.

Try not to wake the baby when you get up tomorrow at 5 AM.

Try 动名词”经常用于当你做某事，但你不是真的喜欢它或想再做一次。

如果你要求某人尝试他们可能完成或可能无法完成的事情，也可以使用不定式。