九年級英語第七單元知識點
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1. 含情態動詞的被動語態：情態動詞+be + 動詞過去分詞，如：
teenagers should be allowed to choose their own clothes.
短語：should be allowed to do sth. 應該被允許去做某事。
2. (1) allow sb. to do sth. 允許某人去做某事 (2) be allowed to do sth. 被允許去作某事
題：① my father doesn』t allow me to smoke. = ito smoke by my father.
② they are very happy because they are allowedgo) and watch the movie.
(3) allow doing sth. 允許做某事：they don』t allowsmoke) here.
3. sixteen-year-olds = sixteen-year-old children. 十六歲大的青少年
題：i thinkshould be allowed to drive in our country.
a. fifteen-year-old b. fifteen-years-old c. fifteen-year-olds
4. h**e part-time jobs 打零工
5. get / h**e/ make sth. done 使某物被做 get their ears _____ (pierce)
get sb. to do sth. = make/ h**e/ let sb. do sth. 使某人做某事
題： i』ll _____ him to know the truth. (a. get b. make c. h**e )
my hair is too long. i』m going to h**e my haircut) this afternoon.
6. be worried about = worry about. 擔心…
題：i am worried about your safety. = iyour safety.
7. safe 形容詞，安全的； safely 副詞，安全地； safety 名詞，安全（之處） 短語有：the safety of ... 的安全
題： the ______ of the players is important.
we must put them in a _______ place.
the airplane landed on the airport
8. own (1)形容詞，自己的it is my own bike (2)動詞, 擁有 i own a bike.
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1. cut his hair 理他的發
doing sth. 停止正在做的事; stop to do sth. 停下來去做另一件事
題：① let』s stoph**e) a rest, i』m too tired.
② you must stopsmoke), it』s bad for your health.
③ i tried to make the babyby singing, and that worked well at last.
a. to stop to cry b. to stop crying c. stop crying d. stop to cry
3. agree with sb. 同義某人； agree to sth. 同義某物
題：⑴ i agree _______ you. ⑵ i agreethe plan.
⑶ i don』t think students should use mobile phones at schoolthey are not good for our study.
a. i agree with you. b. i disagree c. no problem d. not at all
4. need的用法：
⑴ need作實義動詞時用於肯定句中，後接不定式。即：need to do sth.
⑵ need 作情態動詞時用於否定句。即： needn』t do sth.= don』t need to do sth.= don』t h**e to do sth.
題：① she needn』t (tell) you. but you needask) her.
② she needn』t tell you. = shetell you. = shetell you.
【拓展】needn』t = don』t/doesn』t h**e to, 常用來回答must i …. ? 如：
must i go now? ——no, you needn』t/ don』t h**e to. 或 yes, you must.
5. spend time with friends 和朋友共度時光。
6. be excited about 對…感到興奮
題：i』m really excited aboutsee) the famous paintings by picasso.
7. take pictures / photos 照相；take a picture / photo 照張相
題：你能幫我照張相嗎
8. protect sb. from (doing) sth. 保護某人不受某事物的傷害。
翻譯：樹木能保護泥土不被沖走
【比較】stop sb.( from) doing sth. 阻止某人做某事
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1. sing to sb. 給某人唱歌（sing-sang-sung）； stay by one』s side 坐在某人身邊
when i was a tiny baby crying all night, my mom sang to me and stayed by my side.
2. warm arms to sleep in 可以在裡面睡覺的胳膊。
不定式作後置定語，當不定式中的動詞與所修飾的名詞或代詞構成動賓關係且動詞為不及物動詞時，需用「不定式+介詞」的結構，這種情況下的介詞不能省略。如：a house to live in 住的房子；some ***** to write on 寫的紙。
但如果所修飾的詞是place時，不及物動詞就不需要接介詞，如：a place to live.
題：可以坐的一把椅子可以玩的朋友可以練習英語的搭檔
3. make sure表「確保」，後面可以接賓語從句。 she made sure i was safe and kept me from danger.
4. keep sb. away from 使某人遠離....
翻譯：我們應該使孩子們遠離手機
5. give sb. a hug = give a hug to sb. 擁抱某人；lift up 舉起...
when i fell and hurt myself, she g**e me a hug and lifted me up.
6. bad 形容詞，壞的，糟糕的，嚴重的；badly 副詞，表「壞地， 糟糕地， 嚴重地」。
題：i had a _______ cold and coughed
7. talk back 頂嘴；talk back to sb. 和某人頂嘴
翻譯：你應該試著和你的父母溝通，而不是和他們頂嘴。
you should try toyour parents instead ofto them.
8. go out with friends 和朋友外出
9. please be back by ten. 請10點以前回來。by 的用法有：
(1) 靠，通過：i study by ****** flashcards.
(2) 被： he was killed by a woman.
(3) 乘（交通工具）：he goes to school by bus.
(4) 在…之前：i』ll come back by 5 o』clock.
(5) 在…旁邊：he is sitting by the window.
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