题目内容：

After i have ansered his telephone call,then i （ ）have wrote him a letter,括号里还用加have吗?原

优质解答

主句已用,从句如相应可以不加,then I have wrote him a letter

追问：

那如果加了算错吗

追答：

have +过去分词表示过去完成时，加了也不算错，可以省略可以加。