was (is,am的过去式) 是
例句与用法:
His behavior was,in a word,shocking.
总之,他的行为是令人震惊的.
That's just what I was thinking.
这正是我所想的.
He lived in California until he was twenty.
他在加里弗尼亚一直住到20岁.
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人.
Joan of Arc was made a saint in 1920.
1920年,贞德被追封为圣女.
I think your last argument was a diversion to make us forget the main point.
我认为你最后的那个论点是在转移目标,以便我们忘掉要点.
He was fined 200 dollars.
他被罚款200美元.
have been (+-ing动词)：现在完成进行式
例句与用法:
More than200 films on agriculture have been released.
一共发行了200多部关于农业的影片.
She is said to have been an actress about twenty years ago.
据说她在20年以前曾是一位女演员.
He is said to have been the richest man in Taiwan.
据说他以前是台湾最有钱的人.
Had he not saved me,I might have been drowned.
我可能溺死了,若非他救了我.
Flowers soon faded when they have been cut.
花剪下后很快就会枯萎.
I have been away from Paris for two weeks.
我离开巴黎已经两星期了.
