Question

用英语造句。。。

Answer 1

现在进行时：I
am
reading
books.(我正在看书)-----表示我现在正在做什么，用的是现在进行时。

现在完成时：I
have
been
to
Beijing.(我去过北京)-----但是我现在不在北京，我在说这句话的时候，去北京这个动作已经完成了，所以是现在完成时。

Answer 2

I
am doing
my
homework.

I
have
been
a
student
for
5
years.for
连段时间

She
has
lived
here
since1998.since
连点时间

I
have
been
to
Shanghai.
曾经去过上海

I
have
gone
to
shanghai.在上海或者在去上海的途中。