原因状语从句:常由because, as, since和for引导。例如:Nonetheless, I am still in favor of space travel, for it has brought us many benefits. 时间状语从句:常由when和while引导。...
让步状语从句:在英语中,让步状语从句的连接词有though(虽然),although(虽然),even if(即使)as(尽管),while(尽管),Whatever(无论什么)wherever(无论哪里)whoever(无论谁),however(无论怎样),no matter(不论、不管),for all that(尽管),granted that(即使),in spite of ...
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