am is 的过去式是什么
am is的过去式是was。was的例句：I could not believe my eyes，She was far more beautiful than I had imagined（我简直不敢相信自己的眼睛，她比我想象的漂亮多了）。 扩展资料 was的'例句：It was the first time Jane and I had been apart for more than a few days（那是***前次和简分开数日）；He said all that...