unit 4講義
詞彙辨析：
與question的區別
problem指客觀的、等待解決的問題，著重指「困難」
question是對某事物表示懷疑而提出來討論，等待回答的我那天。
we face the problem of water supply. i h**e some questions to ask.
the food safety is a serious_____in our country. we should try to solve it.
a. subject b. program d. opinion
意為「搬運、攜帶」，指從一處把某物或某人拿、扛、帶、搬運到另一處，無方向性。
the mother carries her baby in her arms.
bring 意為「帶來，拿來」。指把某人或某物帶到說話者這來，即從遠處帶到近處。
bring your friend to our house.
take 意為「帶走，拿走」，指把某人或從說話者的身邊帶去，即從近處帶到遠處。
please take these books to the library for me.
fetch 意為「去拿來」，表示先去遠處再回來，即乙個來回。
please wait a minute. he』s just gone out to fetch some water.
連詞，意為「雖然，儘管」，引導讓步狀語從句，與although同義，一般可以換用。只是though常用於非正式的口語或書面語中，而although則較為正式。
although或though不可與but同時用在乙個句子中。
although he was tired, he kept on working.
grace is going to gi**e much money to charity,______she is not rich enough.
動詞，意為「懊悔」，後接動名詞或不定式意義不同。
they regret not following their teacher』s advice.
regret doing sth. 後悔曾做過某事
regret to do sth. 遺憾要做某事
i regret going there. 我後悔要到那裡了。
i regret to tell you such a thing. 我很遺憾地要告訴你這樣一件事情。
及物動詞，意為「建議、提議」，其後接名詞、代詞、動名詞作賓語，也可接從句。suggest還可接雙賓語。
she suggested a new teaching method.
i suggested going for a walk.
i suggested that he (should) join in the club activities.
to 與must的區別：
h**e to 側重客觀上的「必須」，有多種時態變化。否定形式常用 don』t h**e to/ does』t h**e to
must 側重客觀上的「必須」，可用來變身現在，無時態的變化。直接在其後加not變為否定形式，意為「禁止」。
i must/ h**e to go to school now.
he had to give up the plan.
i will h**e to buy a new pen.
--dad,must we wait until the light becomes green?
--yes, i』m afraid we_____. that』s the traffic rule.
a. can b. may c. h**e to d. need
to do sth. 意為「過去常常做某事」，它只有過去式，沒有人稱和書的變化，表示過去存在而現在已經停止的情況或習慣。used to的一般疑問句句式、否定句形式借助助動詞did：
did＋主語＋use to＋動詞原形＋其他？ 主語＋did not use to＋動詞原形＋其他。
he used to listen to pop music but now he likes rock music.
did you use to go swimming in the river when you were young?
擴充套件：① be used to doing sth. 意為「習慣於做某事」
i』m used to getting up early and h**ing a walk now.
② be used to do sth. 意為「被用來做某事」
knives are used to cut things.
--how is your grandma?
--she』s fine. she used to___ tv at home after supper. but now she is used to____ out for a walk.
a. watch;go b. watching; go c. watching; going d. watch;going
不及物動詞，意為「發生」，用法如下：
① sth. happens ＋地點/時間，意為「某地/某時發生了什麼事」
an accident happened in that street.
② sth. happens to sb. 意為「某人出了某事」a car accident happpened to her this moring.
③ sb. happens to do sth. 意為「某人碰巧做某事」i happened to meet her in the street.
④ it happens/ happened that... 意為「碰巧或恰巧發生某事」
it happened that brian and peter were at home that day.
指計畫之外的「發生，碰巧」，強調偶然性。
take place 通常表示在計畫、安排之內的「發生」，含有計畫性。
the accident happened last night.
the dance will take place on saturday night.
與no one辨析：
none可與of連用，謂語動詞用單數或複數形式可指人或物回答how many/ much 引起的疑問句。
no noe 不可與of連用， 謂語動詞用單數形式，只指人。回答who引起的疑問句。
i bought a lot of books in london, but he bought none.
--who is in ther room?
--no one/ nobody.
--it snowed he**ily last night. is everyone in our class here today?
--yes, and____of us was late for school this morning.
a. none b. neither c. all d. either
後接動詞不定式或that（that可省略）從句作賓語，表示可能實現的希望。
i hope to watch the football match again.
we hope to be back tomorrow night.
hope用作動詞時，後不能接復合，即hope sb. to do sth. (×)
wish動詞，意為「希望」，wish（sb.）to do sth. 意為「希望某人做某事」，
wish that...表示不太可能實現的希望。
i wish to receive presents on my birthday.
i wish that i could fly.
from 意為「收到某人的來信（或電子郵件、**等）」後常跟表示人的名詞或代詞。
she has not heard from her parents.
we h**e not heard from him since he went abroad.
擴充套件：hear about/of 意為「聽說」，後常接名詞、代詞或動名詞等。
you will hear about/of this later.
定語從句語法專項練習：用適當的關係詞填空：
still remember the night _______i first came to the house.
2. i'll never forget the day________ we met each other last week.
3. mr black is going to beijing in october, _______is the best season there.
4. i will never forget the days _______i spent with your family.
5. i'll never forget the last day______ we spent together.
6. this is the school ______i used to study.
7. do you still remember the place______ we visited last week?
8. do you still remember the place_______ we visited the painting exhibition?
9. h**e you ever been to hangzhou, _____is famous for the west lake?
10. h**e you ever bee to hangzhou, ______lies the west lake?
11. tom will go to shanghai,______live his two brothers.
12. i live in beijing,____is the capital of china.
13. there was a time ______there were sl**es in the usa.
14. it is the third time ______you h**e made the same mistake.
15. it was in the street _____i met john yesterday.
16. it was about 600 years ago____the first clock with a face and an hour hand was made.
17. the moment _____i saw you, i recognized(認出)you.
18. this is the very novel about____we've talked so much.
19. this is the way____he did it.
20. who is the student _____was late for school today?
21. who _____knows him wants to make friends with him?
22. what else was there in my brother____you didn't like?
23. he lives in the room____window faces to the south.
24. he lives in the room, the window_____faces to the south.
25. this is mr. john for____son i brought a book yesterday.
26. this is mr. john for_____i bought a book yesterday.
27. this is the hour_____the place is always full of women and children.
28. and there is one point ______i'd like your advice.
29. winter is the time of year______the days are short and nights are long.
30. i hope you will find this valley a beautiful place____you may spend your weekend.
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