Detail explanations:
1) A railroad is for trains.
for 供…用, 表示用途
e.g: The glass is for drinking.
2) A bridge goes over a river.
over 在…正上方; 超过 e.g: The sky is over our heads.
Cp: above 在…斜上方 e.g: We flew above the clouds.
Cp: on 在…上面 e.g: There is a book on the desk.
3) A tunnel goes through a mountain.
through 指穿过一物体的表面,强调“横穿”
Cp: across 指从一个物体的内部穿过, 如穿过隧道、森林等
Cp: over 指越过障碍物
e.g: walk through the forest walk across the road climb over the fence(篱笆)
1. What did you think of the film about Zhan Tianyou on television last night?
= How did you like the film about Zhan Tianyou on television last night?
2. What does he do? = What is he? = What’s his job?
3. work on sth 从事某事
e.g: The nurse works on looking after the sick.
4. be difficult to do sth. 很难做某事
e.g: Russian id difficult to learn. 俄语很难学。
Unit 2
1. A few days ago he was Yang Liwei, the pilot, with a wife and a young son.几天前，他还只是杨伸伟，一名飞行员，有妻子和一个儿子。
1) ago 只用于过去时，放在表示“时间段”的词语之后，表示从现在算起的一段时间之前
e.g: His father died five years ago.
Cp: before 后接“时间点”， 可用于任何时态
e.g: She got to her office before 5:00.
七年级英语下册重点语法复习由www.yf1234.com收集及整理,转载请说明出处www.yf1234.com
www.yf1234.com Cp: later放在表示“时间段”的词语之后，表示从某一时间算起的一段时间之后
e.g: Three days later, they married.
2) Yang Liwei和the pilot 是同位语，with a wife and a young son介词短语作定语，修饰前面的名词
2. 被动语态的结构“be+及物动词过去分词”，常以动作承受者作为主语。
e.g: The machine is made in China.
3. reach 即可以到达某一地点，又可以达到某一数字。
e.g: They reached a small village.
The temperature reached 40℃.
4. 1) last (v)
eg. The hot weather will last until September.
2) last (adj.) last week the last meal
3) last (n.) at last
5. China is now the third country, after the Soviet Union and the USA, to send a person into space. 中国现在是继苏联和美国之后第三个把人送往太空的国家。
动词不定式作定语修饰country, after the Soviet Union and the USA可以放在句首或句末。
6. People on Earth watched Yang Liwei’s space flight on TV.
地球上的人们在电视上观看杨利伟的太空之行。
7. wave to / at sb
e.g: The manager waved to his secretary from across the hotel.
8. for +一段时间 表示做某事持续的时间
e.g: He rested for a few hours after working hard from day to night.
Unit 3
1.Key points:
Key vocabulary— as, the next, travel to a place, sick people
Key structures—What did…? When did…? How did…? Why didn’t…?
2. Words explanation:
1) land (vi.)着陆 land on the island
(vt.)使着陆 land an airplane
上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] 下一页
七年级英语下册重点语法复习