相当于英语中I was doing的时态是什么?有j'etais en train de 这样的说法吗?我想表达当时（过去的一个时间）【正在】做什么,就是相当于英语中I was doing这个时态,我可以表达成j'etais en train de 是不

相当于英语中I was doing的时态是什么?有j'etais en train de 这样的说法吗?我想表达当时（过去的一个时间）【正在】做什么,就是相当于英语中I was doing这个时态,我可以表达成j'etais en train de 是不 英语的I was poor in 相当于什么? 一个英语句子中,可以同时运用两种时态吗?例如：I was sleeping?在过去时态中运用现在进行时态? when I was a child when she studies when后的时态是根据句子的意思?有when I am doing吗 一道英语时态问题I'm rather tired;I __ since this morning.A was doing housework B have done housework C did housework D have been doing housework选哪个 为什么 was doing是什么句式或什么时态. 请帮我分析英语的一句话I see you've been doing your homework.怎么翻译,这里是什么时态. 初中学过的所有英语时态的构成方式.一般现在时 I do 现在进行时 I'm doing 现在完成时 I have done 现在完不要这种：一般现在时 I do 现在进行时 I'm doing 现在完成时 I have done I was busy doing cleaning 这句英语对吗 has been doing 的用法看到一句话：it has been a favorite magazine sinc i was a child.has been 后面接了名词,这是属于什么时态的用法呢?是have been doing I was being late.时态 I was happy 是什么时态? Since then he was been doing the work.怎么译?用的是什么时态? 请教英语中12种时态的疑问句怎么写?英语有12种时态,它们以及它们的例句分别是：1.一般过去时 I bought the car.2.一般现在时 I buy the car.3.一般将来时 I will buy the car.4.过去进行时 I was buying the car 在英语的一般疑问句中,是用too还是either就是”Was she doing homework,too?”和”Was she doing homework,either?”哪个是对的? 英语中,非延续性动词能用过去进行是吗?比如i was doing my homework when my mom was come in.求详解啊,还有过去进行时的用法啊 i like doing sth.中doing做的什么成分? I was having a hard time doing的意思