(1)插入语的类型 ①少数副词有时充当插入语,如:(un)luckily, though,however, still等。 如:She is looking fit, though.(她看起来倒是健康。) The task is very difficult, besides, time presses.(任务艰巨,而且时间紧迫。) ②介词短语或固定词组充当插入语,如:by the way(顺便说一下);in fact(事实上);in a word(总之)等。 如:Many countries, for example, Mexico and Japan, have a lot of earthquakes.(许多国家都会经常爆发地震,比如墨西哥和日本。) ③短句或句子充当插入语,如:I believe/think/hope/guess/suppose;do you believe/think(问句中);as far as I know;I’m afraid;you see;you know;it seems (to me) ;what’s more等。 如:That would be a good beginning, I hope.(我希望,那是一个好的开始。) Where do you believe we should go during the summer holiday?(你认为暑假期间,我们应该到哪儿?) (2)插入语的位置 插入语通常位于句中,并用逗号隔开,但有时也可位于句首或句末(见上面例句),有时也不用逗号隔开。如:What on earth do you mean? (你究竟是什么意思?)