2017高考英語備考單元知識搜索與探究歸納Unit15 The necklace
i don’t know whether i should finish the work or not.
我不知道是否應該完成這項工作。
（2)whether從句作介詞賓語時
they are talking about whether he will win the game.
他們在討論他是否會贏這場比賽。
（3)whether引導主語從句時
whether he comes matters much.
他來不來關系很大。
（4)whether引導表語從句時
the problem now is whether you agree with us.
現在的問題是你是否同意我們的觀點。
但是在表示“如果”時，只能用if。
if you comes, please let me know.
如果你來了，讓我知道一下。
要點1 would rather
【例題】(廣西，26)to enjoy the scenery, irene would rather spend long hours on the train ______travel by air.
a. as b. to
c. than d. while
解析:本題考查would rather的用法。本句意為：“為了欣賞風景，irene寧可花很長時間坐火車，也不愿坐飛機。”would rather...than...意為“寧愿……而不愿……”,后面如果是動詞，都用動詞原形。
答案:c
歸納與遷移
（1）would rather do sth.表示“寧愿做……”，否定式是would rather not do sth.。
i am tired. i would rather stay at home.
我很累，我寧愿待在家里。
i would rather not go to the party.
我寧可不去那個聚會。
（2）would rather...than...意為“寧愿……而不愿……”。
the soldiers would rather die than give in.
戰士們寧死不屈。
（3）would rather that后的賓語從句中的動詞用虛擬語氣，即從句中的動詞用過去式表示與現在或將來相反的情況；用過去完成式表示與過去事實相反的情況。
i would rather (that) you went home now.
我寧愿你現在回家。
i would rather (that) you came tomorrow.
我寧愿你明天來。
i would rather (that) you hadn’t said these words.
我寧愿你沒有說這些話。
要點2 call on
【例題】 on saturday, i called______ ann’s house, but she was out. so i sent a message to tell her that i would call _______her on sunday.
a. on; on b. at; on
c. at; at d. on; at
解析:本題考查與call有關的詞組。call at sp.意為“拜訪（某地）”；call on sb. 意為“拜訪（某人）”。
答案:b
歸納與遷移
（1）其他經常出現的與call有關的詞組有：
call for“(去)接，需要……”
i will call for you at seven o’clock.
明天七點我來接你。
this job calls for patience.
這項工作需要耐心。
call off“取消，停止進行”
they have called off the meeting.
他們已經取消了這個會議。