have a adj time doing还是to do? (1)have a hard time +with sth/doing sth (2)中间的“adj”改变后对后边的“to do”/“doing”的改变有影响吗? (3)如果(2)有影响,那么那些形容词后边“to do”那些用“doing”? (4) 我们老师说,difficult后边必须用doing,hrad后边必须用to do.不可以变吗? 完整一些,
have a/an +adj. + time + doing sth We had a good time playing in the pak yeaterday afternoon. have a hard time with sth I have a hard time with my math study.