区分can do sth.和could do sth.

区分can do sth.和could do sth. Could you please do sth.的意思急用啊Could you please do sth.的用法和COULD和CAN的区别 please do sth还是please to do sth?please don't do sth还是please not do sth?跟can could没有半点关系、 use to do sth和use doing sth怎么区分啊 努力去做(try to do sth)和尝试去做(try doing sth)的区分技巧 区分一下sth be supposed to do和sth be supposed to be done can't stand to do sth.和 can't stand doing sth.有什么区别呀 Sb Will be able to do sth 和 sb can do sth 是can to do sth.还是can do sth. can't but do sth I could please to do sth can not have done sth和be considered to have done sth和offer to do sth 的中文意思 could't help doing sth 和can't help doing sth 在时态上有区别吗也即是could't help doing sth.可以用在现在时吗?can't help doing sth 可以用在过去时吗? Could/Would you please do sth?could would 是什么词性? Could you please do sth.Could you please not do sth.快.快.急. need to do sth 的两种否定形式有什么区别?怎样区分和应用? Can you do sth还是Can you doing sth 当can 变成过去式的时候,和could怎么区分,当can 变成过去式的时候,就是could了对吧,那么这个时候,can和could怎么区分,那can的语气不是就变弱了吗