4种时态综合练习题种类谓语形式常用时间状语用法一般现在时am/is/are 动原动原+salways,often,sometimes,once a week,usually ,every day, every morning,in the morning,on Sunday,at times,at weekends(1)表示经常性或习惯性的动作或状态。(2)表示个人目前的爱好。(3)表示客观事实或普遍真理。The earth moves around the sun.(4)在时间、条件等状语从句中表示将来要发生的动作。As soon as I get there, I will phone you.一般过去时was/were过去式yesterday,two days ago,last week,in 2008,a moment ago,just now,when he was ten,the other day(1)表示过去某个时间发生的某个动作或存在的状态。(2)表示过去经常或反复