关于前面讨论的“it is +形容词+ of sb to do sth”句式,我也有一个问题,那就是其中的不定式可以用完成式吗?比较:It was kind of them to help me. It was kind of them to have helped me. It was nice of you to come. It was nice of you to have come.&...
as加形容词或副词再加as加句子中的“as加副词或形容词”在句子中是什么成分啊?例如As long as you practice,your reading skill will be improved 或者As soon you arrive,I will call you这俩句子中,如果说后面的as是连词引导句子,那么前面的“as...