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provided (that) = provid ing (that) 1. if如果
1 )真实条件句
2 )非真实条件句(虚拟语气)
If it doesn ' t rain we will go climbing
suppose (that) = suppos ing (that)
If you have any questi on, you can voice them now. 主将从先主情从现 If I were a bird, I would fly 2. unl ess=if not
You will be late, uni ess you hurry= You
可以提出来
' ll be late, if you don ' t hurry
If you don ' t visit him tomorrow, he will be an gry= Un less you visit him tomorrow he ' ll be angry
I won ' t forgive you uni ess you apologize= I won ' t forgive you, If you apologize
3.if only 只要如果 要是…就好了 I' ll let you use my car, if only you return it 省略主句用虚拟 If only he knew En glish 4.i n case
Take a coat in case the weather turns cold In case I forget, please remind me about it
主祈使从现
女口果我忘了请提醒我
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I' ll give you my phone number in case you want to contact me 主将从现
once
注意：in case of+ 名词表条件 以防in that case 在那种情况下 In case of rain they can ' t go to the park 万一下雨 他们就不能去公园了
In that case, he would be puni shed
情况如此他就会收到惩罚
5. as long as= so long as 只要 如果 主将从现 主情从现 As long as it doesn ' t rain, we can go to play
As long as/so long as we don ' t lose heart, we' ll find a way to overcome the difficulty
You can go to see the film as/so long as you arrive on time 只要你按时至 M
尔就能去看 这场电影 注意：as long as
还有…之久的意思
You can keep it as long as you can = You can keep it as long as possible 你
可以尽量 don ' 久地保留它 6.on conditiong that
条件是 只要
I' ll come on con diton that Amy is in vited too 我可以来条件是艾米也被邀请了
7.provided (that)= providing (that)
Providing there is no objection, we shall make a decision
He won ' t be against us in the meeting provided (that) we ask for his advice 只要我们征求他的意见
8.suppose (that)=supposing (that)
假女口 假设
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Suppos ing it rains, shall we visit the museum?
Suppose that you are a famous writer, do you like to write such a book? 9.o nee
I' II make friends once I ' m settled in Paris. 、时态的一致 1. He ' II be a doctor when he finishes studying here. If it doesn ' t rain tomorrow, we ' ll start 出发
时间状语从句和条件状语从句中遵从主将从现主情从现 主祈使从现 If you get the book, let me know.
If you like, you can stay here for the weeke nd. If you drink, don ' t drive
2. 如果谓语是want hope等动词，则条件状从一般用一般现在时 What do you want to do if you have much mon ey? I hope to see her if I ' m free 3. 有些句子中主从句都用一般现在时 If you ring this number, no one answers If you press the switch, the computer comes on 4. 条件状从中也可用的 will表示意愿 If you won ' t go, you needn
' t go/won ' t go 女口果你不愿意去，那就不去
女口果你愿意等一会我会
女口果你按这个开关 计算机就会启动 在这里过周末
If you ' ll just wait a mome nt, I ' ll find some one to help you
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找人帮你
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五、目的状语从句
in order that
lest 以免
for fear that
唯恐 so
that
in case 以
So that 免
1. so that 为了 I spoke slowly so that you could un dersta nd me.
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状语从句地讲解最全地状语从句讲解
