二 分句
1考查“祈使句﹢and / or/or else / otherwise﹢簡單句”祈使句表示條件,簡單句表示結(jié)果，但表達(dá)的意義比if 從句更為緊迫。
[NMET1998]_____it with me and I’ll see what I can do
A when left B leaving C if you leave D leave
【解析】答案：D ,
【測試演練】(上海高考卷1998)
One more week, ____we will accomplish the task
A or B so that C and D if
【解析】答案：C.
2 由轉(zhuǎn)折連詞引導(dǎo)的分句表示虛擬條件
I was very busy today。Otherwise（＝if I had not been very busy that day），
I would have taken part in the discussion 今天我很忙，否則，我會參加那次議論的
He would have given you more help，but he was busy。
3 有些諺語中的省略句雖沒有表示條件的連詞，也可表示條件。
Easy come， easy go .(＝If money comes easily, it will go easily)
First come, first served (＝If one comes first ,he will be served first)
三 名詞詞組
其作用相當(dāng)于條件狀語從句
One step further, and you are lost.(＝If you take one step further,you will be lost)
Another sound from me, and the snake might strike .
四 介詞短語
其作用相當(dāng)于條件狀語從句.常用的介詞有: with, without, but for
We couldn’t have succeeded without your help(＝If you hadn’t helped us, we couldn’t have succeeded )如果沒有你的幫助,我們就不會成功.
五 不定式短語
其作用相當(dāng)于條件狀語從句.
To look at him (＝If you were to look at him), you would consider him a young man
六 獨(dú)立主格結(jié)構(gòu)
其作用相當(dāng)于條件狀語從句.
Weather permitting, we will have an outing tomorrow
All things considered ,her paper is of greater value than yours
七 動詞轉(zhuǎn)化為連詞
save that(只是) ,providing（that），provided that，suppose（supposing）,considering(考慮到,鑒于) given ,seeing that等等。
I agree with you ,save that you have got something wrong
八 含蓄條件句
有時為了表達(dá)的需要,通過其他手段來代替條件句
I was ill that day .otherwise I would have taken part in the sports meet(副詞)
He telephoned to inform me of your birthday. Or I would have known nothing about it(連詞)
A man who stopped drinking water would be dead in about seven days(定語從句)
條件狀語從句的緊縮形式
Come tomorrow if possible可能的話就明天來吧
If so , you must fetch it as soon as possible如果是那樣,你必須盡快去拿來.
I will buy a TV set if necessary
He has no money .if any, he will give me some
If in need, don’t hesitate to ask me
The girl never gave in unless wrong
Unless repaired , the machine is of no use這臺機(jī)器
1考查“祈使句﹢and / or/or else / otherwise﹢簡單句”祈使句表示條件,簡單句表示結(jié)果，但表達(dá)的意義比if 從句更為緊迫。
[NMET1998]_____it with me and I’ll see what I can do
A when left B leaving C if you leave D leave
【解析】答案：D ,
【測試演練】(上海高考卷1998)
One more week, ____we will accomplish the task
A or B so that C and D if
【解析】答案：C.
2 由轉(zhuǎn)折連詞引導(dǎo)的分句表示虛擬條件
I was very busy today。Otherwise（＝if I had not been very busy that day），
I would have taken part in the discussion 今天我很忙，否則，我會參加那次議論的
He would have given you more help，but he was busy。
3 有些諺語中的省略句雖沒有表示條件的連詞，也可表示條件。
Easy come， easy go .(＝If money comes easily, it will go easily)
First come, first served (＝If one comes first ,he will be served first)
三 名詞詞組
其作用相當(dāng)于條件狀語從句
One step further, and you are lost.(＝If you take one step further,you will be lost)
Another sound from me, and the snake might strike .
四 介詞短語
其作用相當(dāng)于條件狀語從句.常用的介詞有: with, without, but for
We couldn’t have succeeded without your help(＝If you hadn’t helped us, we couldn’t have succeeded )如果沒有你的幫助,我們就不會成功.
五 不定式短語
其作用相當(dāng)于條件狀語從句.
To look at him (＝If you were to look at him), you would consider him a young man
六 獨(dú)立主格結(jié)構(gòu)
其作用相當(dāng)于條件狀語從句.
Weather permitting, we will have an outing tomorrow
All things considered ,her paper is of greater value than yours
七 動詞轉(zhuǎn)化為連詞
save that(只是) ,providing（that），provided that，suppose（supposing）,considering(考慮到,鑒于) given ,seeing that等等。
I agree with you ,save that you have got something wrong
八 含蓄條件句
有時為了表達(dá)的需要,通過其他手段來代替條件句
I was ill that day .otherwise I would have taken part in the sports meet(副詞)
He telephoned to inform me of your birthday. Or I would have known nothing about it(連詞)
A man who stopped drinking water would be dead in about seven days(定語從句)
條件狀語從句的緊縮形式
Come tomorrow if possible可能的話就明天來吧
If so , you must fetch it as soon as possible如果是那樣,你必須盡快去拿來.
I will buy a TV set if necessary
He has no money .if any, he will give me some
If in need, don’t hesitate to ask me
The girl never gave in unless wrong
Unless repaired , the machine is of no use這臺機(jī)器