2021高考英語常用句型歸納
他動身得早，以免誤了最后一班火車。
(2) for fear (that)
例：he handled the instrument with care for fear (that) it should be damaged.
他小心翼翼地擺弄那儀器，以防把它弄壞。
(3) so that
例：let’s take the front seats so that we can see more clearly.
讓我們坐到前面的座位上，以便能看得更清楚些。
(4) in order that
例：he got up very early so that/in order that he might/could catch the early bus.
為了趕上早班車，他起了個大早。
45、幾個難掌握的主語從句和賓語從句
(1) you may take whatever(=anything/everything that)you like.
你喜歡什么就拿什么。
(2) you may take whichever(=any) seat you like.
你想坐哪個位置就坐哪個位置。
(3) whoever(=anyone who) cuts the trees down must be punished.
任何一個砍樹的人都必須受到懲罰。
(4) you may give the note to whomever(=anyone whom) you meet at the office.
你可以把條子給你在辦公室看到的任何一個人。
46、使用現在完成時和過去完成時的常用句型：
(1) since句型：主句用完成時
例：my aunt has worked in a clinic since 1949.
從1949年，我嬸嬸就一直在一家診所工作。
(2) since when +完成時
例：since when have you planted so many young trees?
從什么時候你種植了這么多小樹的？
(3) this/it is the first (third...) time sb have done sth
例：this is the first time i have been here.這是我第一次到這兒。
(4) by…（到……為止）到過去某個時候為止用過去完成時，到現在為止
用現在完成時，到將來某個時候為止用將來完成時。
例：she will have finished the book by my next birthday.
到我下一個生日為止，我將完成那本書。
by eleven o'clock yesterday, we had arrived at the airport.
到昨天十一點止我們就已經到達機場了。
但比較：by the time the speaker entered the hall, all the listeners were seated.