yesterday，昨天。按照一般来说，应该是过去式。例句：What you at this time yesterday?昨天这时候你正在干什么？
例句1、That isn't quite square with what you said yesterday.
这跟你昨天所讲的不大吻合。
2、Government sources indicated yesterday that cuts may have to be made.
政府方面昨天透露，削减可能势在必行。
3、He made all the right noises at the meeting yesterday.
在昨天的会上，他的话句句都合大家的胃口。
4、I feel an awful lot better than I did yesterday.
我觉得身体比昨天好得多了。
5、Ten new cases of bird flu were reported yesterday.
昨天新增十例禽流感病例报告。
