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His long boring story made me yawn.
他的冗長的故事聽得我直打呵欠
as if 與as though用法概述
as if 與as though是一組同義詞，意思相同，用法也相同，但多數情況下人們喜歡用as if，因為其簡短。
1. 通常情況下，as if/as though所引導從句的謂語動詞為虛擬語氣，表示所述情況與事實相反。
Why is she looking at me as though she knew me?
她為什么那樣看著我，好像認識我似的？
2. 如果as if后面的從句表示的情況是真實的或者很可能是真實的，則動詞可以用陳述語氣。
He walks as if he is drunk.
He walks as if he were drunk.
第一句表示“他已經醉了”，第二句則表示“他沒有醉”。
3. 在非正式文體中，可以用like代替as if/as though
It looks like it's going to rain today.
4. 當asif/as though引導的從句主語和主句的主語一致時，該主語和后面的動詞可以省略，于是出現了以下幾種情況。
1) as if+不定式
He opened his lips as if (he were)to make some reply.
2) 不定式+adj.
She felt unable to endure such a life.
她覺得似乎無法再忍受這種生活了。
3) as if+介詞短語
He looked about as if (he was)
in search of something.
4) as if+現在分詞
John paused as if expecting Mary to speak.
5) as if+n.
He acts as if (he was) a fool.
puncture n./v. 刺穿
Our tires do not puncture easily.
我們的輪胎不易爆破。
I've got a puncture and my spare is flat too!
我的車胎扎破了，備用的也癟了！
scratch v. 抓，撓，刮擦
The dog is scratching at the door.
狗正在抓門。
run v. 運營，經營
He has no idea of how to run a business.
他不知如何經商。
