八年級英語下冊Unit 6 知識講解
例如：
i have to go now.it's dark. 我必須得走了。天已黑了。
i must go. 我得走了。
(2)must not表示“不許，一定不能”；don't have to表示“不必”。
例如：
you mustn't go now. 你現在不許走。
you don't have to go so early. 你不必走那么早。
(3)must i…?的否定回答是no，you needn't.或no，you don't have to.
例如：
--must i stay here now? 我必須留在這嗎?
--no，you needn't./you don't have to. 不，你不必。
5. fairly與rather
fairly與rather同義但用法不同：
fairly一般指(褒義的)理想的情形，rather一般指(貶義的)不太理想的情形。例如：
the weather is fairly fine today.今天的天氣相當好。
the weather was rather bad yesterday.昨天的天氣相當不好。
it is a fairly easy question.
這是一個相當容易的問題。(容易而適當)
it is a rather easy question.
這是一個相當容易的問題。(大容易了而不適當)
六.【習題檢測】
ⅰ. 單項選擇
1. the flight from beijing to new york ______ at 9:45 am. on friday.
a. gets off b. takes off c. puts up d. gets up
2. — ______ have you been living here？ — for ten years.
a. how much b. how many c. how long d. how soon
3. — _______ did you first skate? — two years ago.
a. when b. what c. why d. how
4. i have been skating _____ two hours.
a. in b. at c. for d.since
5. thanks for ____ me the book.
a. gave b. giving c. give d. to give
6. we all helped him with his english so he didn’t _______ with his study.
a. fall off b. fall down c. fall behind d. fall over
7. mr green _______ in china since five years ago.
a. lived b. has lived c. lives d. is going to live
8. ＿＿＿ is the meeting going to last? about twenty minutes.
a. how far b. how soon c. how long d. how often
9. what shall we do now? ＿＿＿ for a walk?
a. how's about to go b. what about to go c. how's about going
d. what about going
10. do you have another way of ＿＿＿ the child?
a. teaching b. to teach c. teaches d. teach
�、�. 根據所給句子的意思和首字母寫單詞
1. d_________say what sb./sth. is like
2. r _________bring or collect sth. together
3. c__________the person who collects thing as hobbies and so on
4. s_________ give a part of sth. to others
5. f _________the person from another country
�、�. 閱讀理解