语态就被动/主动
时态有
一般现在 (主语+do)
he is a teacher
一般过去 (主语+did)
He used to be a teacher
一般将来 (主语+will do 或 主语+be going to do)
He will be a teacher
现在进行 (主语+is/am/are+doing)
He is teaching at this school
过去进行 (主语+was/were+doing)
He was teaching at this scool at this time last year
将来进行 (主语+will+be+doing)
He will being teaching at this school next Monday
现在完成 (主语+have/has+done)
He has taught at this school for 2 years
过去完成 (主语+had+done)
He had taught at that school for 2 years by last July
初中就这些