take action to do sth中的acton为什么不是复数形式?
take action to do sth 中action什么时候加s
take action和take actions to do sth.有什么不同吗?
It's rude to do sth中的rude为什么不用副词形式
take trouble to do sth.
take sb to do sth
take time to do sth.
donate one's money to sth/to do sth.为什么不是to doing sth.而donat
take time to do sth 中TU DO STH 在句子中的成分是什么
take sb do sth还是take sb to do sth
为什么ask sb to do sth的否定形式是ask sb not to do sth
take turn to do sth/take turn doing sth造句
take sb.doing sth.还是take sb.to do sth.