v when用法
一 从属连词 – 引导时间状语从句
1. When he ______ back, I’ll ask him a question. A. will come B. come C. comes
2. ______ she arrived at the airport, the train had taken off. (When/ While)
3. It was raining hard _____ we arrived. ( when / while )
4. ______ she had finished she waited as though for a reply. (When / While)
二 连接副词 – 名词性从句 (写出用when引导的主语、表语、同位语、宾语从句和when + to do )
1.
2.
3.
4.
5.
三 关系副词 – 定语从句
1. I remember the day ______ I joined the Party.
2. I remember the days ______ I lived here.
3. I remember the month ______ I stayed there.
4. I remember the time ______ I got up yesterday.
5. I remember the time ______ we spent together.
6. He got to Paris in 1984, ______ he was already in his fifties.
7. We came a week ago, _______ the weather was bad.
8. We came a week ago, ______ the weather has been bad.
四 并列连词 – “这时”
1. We were _______ to set out when it began to rain.
2. We were on the _______ of setting out when it began to rain.
3. I was _______ (think) about my new plan when a good idea occurred to me.
4. He had hardly sat down when his mobile rang.
倒装句 _______________________________. = ___________________________.
五 疑问副词 – 特殊疑问句
1. They will get married next month. ______ ______ they get married?
2. ______ is your birthday? (When /What time)
3.______ do you usually get up? ( When / What time)
4. ______ is it by your watch? ( When / What time)
5. -- ______ can you stay? -- Next Sunday. A. When B. What time C. Till when D. Until when
六 练习
1. On Friday, we were packing to leave for a weekend away ______ my daughter heard cries for help.
A. after B. while C. since D. when
2. Tom was about to close the window ______ his attention was caught by a bird. A. when B. if C. and D. till
3. She had just finished her homework ______ her mother asked her to practise playing the piano yesterday.
A. when B. while C. after D. since
4. I cam here in 1949, _______ I began to engage in this work.
5. I came here in 1949, I have been engaged in this work.
6. We came back on Tuesday, ______ we began to work in the repair shop.
7. We came back on Tuesday, ______ we have been working in the repair shop.
when 答案解析
一
1.comes 主将从现
2. when 从句动作发生在主句之后。
3. when when引导时间状语从句,从句谓语动词既可是暂短性动词也可是延续性动词,while只能是延续性动词。此句从句动作与主句动作同时发生。
4. When when 引导时间状语人名,从句动作既可发生在主句动作之前、之中也可之后。此句之前。
2-4题都可用从句为暂短性动词角度来解释使用when而不用while。
二
1. When he comes is not known. [主语从句]
2. The morning is when I am busiest. [表语从句]
3. I have no idea when the game will begin. [同位语从句 ]
4. I don't know when the plane takes off. [宾语从句]
5. I don't know when to leave for London. [宾语]
三
1. on which / when 2. during which / when 3. in which / when
4. at which / when / that / [ ] the time 作从句时间状语 可用when, at which, that 或零关系代词(最常见)
5. which / that / [ ] the time 作从句宾语 spend the time 6. when 非限制性定语从句
7. when 8. since when = since which time 用since when才能与从句的现在完成时态搭配。
四
1. be about to do … when …
2. be on the point of doing … when …
3. was / were doing … when …
4. had hardly done … when …
No hardly had … when … No hardly had he sat down when his mobile rang.
No sooner had … than … No sooner had he sat down than his mobile rang.
例句:
be about to do …when …
be on the point of doing … when They had just arrived home when it began to rain.
be just going to do … when …
was / were doing … when …
He was driving a lorry load of bananas when he came off the road at a bend and fell 300 meters down the mountain.
Jasmine was holidaying with her family in a wildlife park when she was bitten on the leg by a lion.
I was walking along the bank of the river when I fell into it.
had just done … when …
They had just arrived home when it began to rain.
He had just finished the book when supper was served.
had hardly done … when …
They had hardly arrived home when it began to rain. = No hardly had they arrived home when it began to rain.
They had no sooner arrived home than it began to rain. = No sooner had they arrived home than it began to rain.
五
1. When will they get married?
2. When is your birthday? 询问事件发生的年份、月份、日期等非钟点性时间时只能用when而不能用what time
3. When / What time do you usually get up? 询问做某事的具体时间(钟点)时,when 和what time可以互换.
1-3题表明:when可以用于年份、月份、日期和具体钟点。what time 只用于具体钟点。
4. What time is it by your watch? 询问钟表所表示的具体时间(钟点)时,只能用what time而不能用when.
5. D when 疑问句中,until要放在句首(till 不能位于句首)。
六
1. D 2. A 3. A 4. When 5. since when 6. when 7. since when
sp; 6. when 7. since when
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