一般现在时
often,
usually,
always,
sometimes,
every
day
(week…),
on
sunday
he/she/it+动词s
i/we/you/they+动词原形
一般过去时
yesterday,
…
ago,
last
week,
in
2001
主语+动词的过去式
现在进行时
now
主语+be+
现在分词
现在将来时
tomorrow,
next
week
主语+will/be
going
to+动词原形
现在完成时
already,
yet,
ever,
never,
for+一段时间,
since+时间起点
he/she/it
has+过去分词
i/we/
you/they
have
+过去分词
一般现在时
sb.
do
sth.
一般过去时
sb.
did
sth.
现在进行时
sb.
be
doing
sth.
过去进行时
sb.
was/were
doing
sth.
一般将来时
sb.
will
do
sth.
sb.
be
going
to
do
sth.
there
be
going
to
do
sth.
现在完成时
sb.
have/has
done
sth.
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