The white kitten had been unable to do anything for the last quarter of an hourThe white kitten had been unable看成主系表,to do anything作目的状语,for后面时间状语?这样可以吗?主系表+to do. to do 一般都系目的状语吗?
在主动语态中,help后的不定式是可以省略的,但在被动语态中,这个to就必须加上(这好像是所有省略to和加上to的原则吧),是这样吧?比如:主动:Working with native speakers helped me get a good grasp of the language. 被动:I was helped to get...
下面句子中的 Festivals and celebrations of all kinds 可以改成all kinds of Festivals and celebrations 吗?或者说 sth of all kinds与all kinds of sth有区别吗?Festivals and celebrations of all kinds have been held everywhere since ancient times.句子来源:人教版高中英语...