... just as ... as ...
结构︰主词+动词+just as+形容词/副词+as+名词/动名词
说明︰此句型意为就像一样。第一个 as 是同样的;一样的，第二个 as 是像之意。若之后不是 be ，则 as 之后不用，而要用。
Being a good pedestrian is just as important as being a good driver.
做一个好的行人就像做一个好的司机一样重要。
Writing is just as important as reading. 写作就像阅读一样重要。
He wrote just as carefully as Tom. 他就像汤姆一样小心地写。
... as ... as one can
结构︰as+形容词/副词/名词+as one can
说明︰此句型意为尽可能。as ... as one can相当于as ... as possible。one 要随的人称而变化，而 can 要随变化。
To speak English fluently, you had better read as many English articles as you can.
要想把英文讲得很流利，你最好尽量多看英文文章。
Take as much exercise as you can. 尽可能多做运动。
Be as careful as you can. 尽可能小心。
Our teacher explained the lesson to us as clearly as he could.
我们的老师尽可能清楚地为我们解释这一课。
She needed to soften her request to make it as polite and courteous as she could.
她需要使请求语气柔婉，以便尽可能把它变成有礼貌与客气。
You should be as careful as you can in making friends.
在交朋友方面，你应该尽可能小心。
We had better learn by heart as many sentence patterns as we can.
我们最好尽可能多背句型。
I looked down the road as far as I could. 我尽可能遥望这条路。
I will try to save as much as I can. 我会设法尽可能多储蓄。
You should remain as quiet as you can. 你应尽可能地保持沉默。