學好狀語從句的關鍵就是熟練掌握各類引導詞的用法，而狀語從句往往數(shù)量多，每類從句又擁有大量的引導詞，既不容易記憶，又容易混淆，所以這次滬江小編就先為大家整理了條件狀語從句的各類引導詞，大家記得認真看哦！

條件狀語常用的引導詞是if和unless，但除了這兩個以外，條件狀語從句也擁有一些其他的引導詞，這些引導詞出現(xiàn)頻率較低，用法偏復雜，所以不如if和unless知名度那么高。

1. on condition(that)...在……條件下

eg.I can tell you the truth on condition that you promise to keep a secret.
　　You can eat ice cream on condition (that) you won't eat too much.

2. supposing conj.如果，假如

eg.Supposing it rains,shall we continue the sports meeting?
　 Supposing anything should go wrong,what would you do then?

3. provided conj.假如，除非，以……為條件 provided (that) +從句表示一種假設條件。

eg. He will sign the contract provided we offer more favorable terms.
　　He won't be against us in the meeting provided that we ask for his advice in advance.

for 若非，要不是

eg.But for the rain,we should have a pleasant journey.
　 But for your help,we should not have finished in time.

5. in case 如果，萬一

eg.In case I forget, please remind me about it.

6. as/so long as 只要

eg.As long as you’re happy,it doesn’t matter what you do.
　 As long as it doesn't rain, we can go.

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以上就是滬江小編給大家做的條件狀語從句的引導詞總結歸納了，不知道大家有沒有有所收獲呢？這些引導里有不少都是意思相近的同義詞，大家不妨經(jīng)常嘗試著用用，既能提高語法水平，也能增強句子的詞匯豐富度，給人耳目一新的感覺。