作业帮急：用动词适当形式填空____you____（start）your homework yet?there____(be)two meetings tomorrow.do you know when he____(be)back
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急：用动词适当形式填空____you____（start）your homework yet?there____(be)two meetings tomorrow.do you know when he____(be)back
急：用动词适当形式填空
____you____（start）your homework yet?
there____(be)two meetings tomorrow.
do you know when he____(be)back
急：用动词适当形式填空____you____（start）your homework yet?there____(be)two meetings tomorrow.do you know when he____(be)back
Have started yet强调对现在的影响
will be 将来时
will be 他现在还没回来 回来这一动作发生在将来 所以用将来时
Have ;start (有yet用完成时)
is going to have
will be
(1)Have ;started
(2)will be
(3)will be
have,started
will be
will be
1.
Have you started your homework yet？ [YET是完成时的标志词]
there will be two meetings tomorrow. 【因为有tomorrow，可以判断是将来】
do you know when he will be back 【从主句中的时态可看出他还没有回来，所以用将来】
Have you started your homework yet?
there will be two meetings tomorrow.
do you know when he will be beck.
_Did___you_start___（start）your homework yet？
there__will be__(be)two meetings tomorrow.
do you know when he___would be_(be)back
1.Have started
2.will be
3.wil be