A)如果你不……，你就会…… If you don't …， you'll …

例︰If you don't keep working hard, you'll lose the chance.

如果你不坚持努力工作，你就会失去这次机会。

B) 如此 ……，以至于…… so … that …

例：At that moment, I was so upset that I wanted to give up.

当时，我非常伤心，最后都想放弃了。

C) 每当我听到……我就忍不住感到兴奋。Whenever I hear …， I cannot but feel excited.

每当我做……我就忍不住感到悲伤。 Whenever I do …， I cannot but feel sad.

每当我想到……我就忍不住感到紧张。Whenever I think of …， I cannot but feel nervous.

每当我遭遇……我就忍不住感到害怕。Whenever I meet with …， I cannot but feel frightened.

每当我看到……我就忍不住感到惊讶。Whenever I see …， I cannot but feel surprised.

例：Whenever I think of the clean brook near my home, I cannot but feel sad.

= Every time I think of the clean brook near my home, I cannot help feeling sad.

每当我想到我家附近那一条清澈的小溪我就忍不住感到悲伤。

9. 宾语从句

我认为，…… / 我认为……不 I think / I don't think that …

我想知道是否…… I wonder whether …

例：He doesn't think I should stop him joining the club.

他认为我不应该阻止他参加这个俱乐部。

10. Since + S + 过去式， S + 现在完成式。

例：Since he went to senior high school, he has worked very hard.

自从他上高中，他就一直很用功。