语言学：英语知多少之英语时态（2）
一般过去时be动词＋行为动词的过去式
否定句式：在行为动词前加didn‘t，同时还原行为动词，或was／were＋not；
was或were放于句首；用助动词do的过去式did提问，同时还原行为动词
例如： Did he work for us?
He didn't work for us.
He worked for us.
一般将来时
am／are／is＋going to＋do 或
will／shall＋do
am/is/are/about to + do
am/is/are to + do;
一般将来时的表达方法
be going to +动词原形
be +不定式,be to+动词原形,be about to ＋动词原形
be able to +不定式
be about to+动词原形
will + 动词原形；
例如：He is going to work for us.
He will work for us；
He is coming.这是特殊的用一般现在时 表达 将来时态 的例子！！
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