【正文】
The box is so heavy that I can’t carry it. It is such a heavy box that I can’t carry it. 他是如此的胖以至于無法通過這門。 Such …that 如此 … 以至于 ….such 之后經(jīng)常接名詞。 He didn’t study hard so that he didn’t pass the exam. 。此時和 as a result 同意。 I study hard so that I can pass the exam. . I get up early so that I can catch the bus. 。 除非 …. 可以放在句子首或者句子的中間”有時可用 if …not 替換 . I will go unless he telephones . . Don’t leave the house unless I told you to . Don’t leave the house if I didn’t tell you to. I will go if he doesn’t telephone . you have a map, you will get lost easily. unless=‘if not’