今天在书本上看见这样两句:He took the violin from the wall as calmly as if he were a welcome visitor.I guess you're a decent guy.He paused as if it were hard to go on.两句中的he与it后面跟的都是were.但是he与it都是第三人称单数,不是应该跟was吗?很不明白,忘高人解答...