Question

yesterday用于一般疑问句吗？

Answer 1

①表示在过去某一时间里所发生的动作或存在的状态，常与过去的时间状语连用：yesterday（昨天），last week（上周），just now（刚刚），ago（以前），at the age of…（在…岁时），at 1999（在1999），the day before yesterday（前天）等.
I was very happy yesterday.我昨天很开心（改为一般疑问句）
Were you very happy yesterday?你昨天很开心吗
回答：yes,I was./ No,I wasn't.(wasn't=was not)
I visited my grandarents last week.（改为一般疑问句）
Did you visit your grandparents last week？
回答：Yes,I did./ No,I didn't.(didn't=did not)
He got up at 6:30 yesterday.他昨天6：30起床。（写出问句）
What time did you get up yesterday?他昨天什么时候起床？
②表示过去经常性，习惯性的动作
He always went to work by bus last year.他去年总是坐公车去上班。