2018年高考英語重難點總結
what a lovely day it is today! 今天天氣真好！
(4) it 可用作形式主語，代替用作主語的不定式、-ing 形式后 that 從句，將真正主語放于句后，如：
it seems that he knows nothing about it. 他似乎對此一無所知。
(5) it 可用作形式賓語，當賓語是不定式、-ing 形式或 that 從句，并且跟有賓補時，必須用，來充當形式賓語，真正的賓語后置。
he found it difficult to work out this problem. 他發現很難算出這道題。
(6) it 可用于強調結構中，與 that、who 配搭；被強調的部分無論是單數還是復述，句子的謂語都應用單數形式。如：
it was we that (who) saw a new english film yesterday. 昨天是我們看了一場英語電影。
[經典解析]
例：1. the parkers bought a new house but _____ will need a lot of work before they can move in.
a. they b. it c. one d. which
簡析：本題考查 it 的替代用法。代詞 it 用來替代可數名詞 a new house，故答案為b。
[高考透視]可用來替代前面提到過的同一事物，one 也可替代上文中出現過的單數可數名詞，它既可指人，又可指物，但強調數量上的“一個”。
例：2. with a lot of difficult problems _____, the newly elected president is having a hard time.
a. settled b. setting c. to settle d. being settled
簡析：本題考查“with+復合賓語”的用法�！坝捎谟泻芏嘤写鉀Q的難題……”，應用一個表示被動的過去分詞作賓補，故答案為a。
[高考透視]“ with+復合賓語”這一結構可在句中做狀語或定語。作賓補用的過去分詞強調賓語和賓補之間的被動關系，-ing 形式強調主動關系，不定式強調將來的動作，而形容詞或副詞、介詞短語等表示賓語所處的狀態。
例：3. _____ production up by 60%, the company had another excellent year.
a. as b. for c. with d. through
簡析：with 短語表示伴隨，作狀語。答案選c。
例：4. the mother didn't know ______ to blame for the broken glass as it happened while she was out.
a. who b. when c. how d. what
簡析：本題考查“疑問次+動詞不定式”在句中的用法。“媽媽不知道誰該受責備”，答案為a。
[高考透視]動詞不定式與 who, what, when, where, how, which 等連用，字句中可充當主語、賓語、表語、賓補等。
例：5. —you haven't said a word about my new coat. brenda. do you like it?
—i'm sorry i _____ anything about it sooner. i certainly think it's pretty on you.
a. wasn't saying b. don't say c. won't say d. didn't say
簡析；本題考查動詞的時態�！拔耶敃r沒有說什么話”在此只是陳述過去的一件事實，并對過去的事情表示道歉，故用一般過去時。答案為d。