变过去式 I am watching TV at home They are piaying soccer now 怎么变过去式第一句的am和watching都要变成对应的was和watched吗?变过之后是I was watched TV at home吗?

I am watching TV at home 怎么变过去式 Tom said,I'm watching TV.怎么变间接引语?watching是否变为过去式? 变过去式 I am watching TV at home They are piaying soccer now 怎么变过去式第一句的am和watching都要变成对应的was和watched吗?变过之后是I was watched TV at home吗? i am going to beijing 变过去式（last year） I am young.(过去式) I am watching TV.改成一般疑问句 I am watching TV about football是什么意思? watching am TV i .连词成句 Did you notice the boy come in?---No,I didn’t because I ___C___a film.A.had watched B.have watched C.was watching D.am watching Did you notice the boy come in No,I didn't because I( ) TV 填空题 A、had watcher B、has startedC、was watching D、am watching急 I didn't because I____ a film.(A.had watched B.have watched)怎么做C.was watching D.am watching 有be动词的英语句型变过去式是变be动词还是变be动词后面的动词（变为过去式）?请说明理由例如：I am doing my homewok.(原句）变过去式是I were doing my homework 还是I am did my homework什么时候变be动 he was watching tv when his mother come back home用i don't know变宾语从句 disscuss 过去式study过去式-Can you lend me some books?-___ ,I have no books hereA.I am afraid not B.I don't hope soC.I am not afraid D.I am afraid请说明理由 I am not go home until after school.go 要变went 如果这句子是过去式 Tom said,I'm watching TV.怎么改成间接引语的句子?watching是否变为过去式? Yes,I am.{变复数} I am really tired.(yesterday)改为过去式