要表达过去式在第一人称主语后面应该用was还是在动词后加ed
比如要表达我去年去了意大利应该说：last summer,I went to the Italy,i was visit museum.还是应该说成last summer,I went to the Italy,i visited museum.就是最后这句不同,请说明哪句是对的,为什么,谢谢了
为什么visit是谓语呢，怎么得知的