couldst

He can't do it, nor can I, nor can you, nor can anybody.

他不做这事，我也不，你也不，任何人都不。

If you invert “I can”, you have “can I”.

如果你把I can两词前后颠倒下, 就成了can I。

I can throw the ball farther than you can.

这个球我比你扔得远。

I’ll help you insofar as I can.

我定尽力帮助你。

You can open the can by pulling the tab.

你可拉拉环把罐头打开。

Can you forgive me ? Can I forget you ? Can we forgather with us?

你原谅我吗？我忘记你吗？我们继续走下去吗？

Food in cans is called canned food.

装在罐头里的食品罐头食品。

I have to economize where I can.

节省的地方我都得节省。

Be as quick as ever you can!

尽量快些!

Tie the knot as tight as you can.

尽量把这个结打紧。

You pack in as tightly as you can.

你们尽量往里挤。

Lewis, I can't find the motherfucking can opener!

|路易斯，我找不到罐头开口处！

I'll give the scoundrels a drubbing if I can!.

如果可的话我会将这些无赖痛打顿。

Can you recommend a classmate who can take up the job?

你不推荐位承担这项工作的同学?

A cat can retract its claws, but a dog can’t.

猫的爪子可以缩进去, 但狗不。

One minute can be prefect moment, also can be regretable ternity.

钟可以成绝美的时刻，也可以成永世的遗憾。

If the virus cannot replicate itself, it cannot cause illness.

如果病毒不变异，也就不够诱发疾病了。

Celiac pressing increases can cause heartbeat change. Can take metacentre grain therapy.

腹压增多够引发心率改动.够使用稳心细粒医治.

Tourists can CROSSLINE hiking, nature viewing scenery, can also rowing boats, fishing pastime.

旅游者既可爬山越岭、观赏大自然风景，也可以划船游艇、钓鱼消遣。

I shall do what I can insofar as I am able.

在力所及的情况下我将尽力而为。