英语进行式的四个用法

一般现在时：表示现一阶段经常，反复发生的动作或者存在的状态。常常和经常（ofen）通常（usually）有时(sometimes)等表示时间频度的副词连用。动词多数使用原型，当主语为单数第三人称时，则使用三单形式，如：做（does）去（goes）。
What
do
you
usually
do
on
the
weekend?
I
usually
do
my
homework
.
What
does
he
do
on
the
weekend
?
He
does
his
homework..
二．
现在进行时：表示说话人说话时动作正在进行。动词使用be加现在分词。如做（doing），去（going
）。
What
are
you
doing
?
I
am
doing
my
homework.
What
is
he
doing
?
He
is
doing
his
homework..
三．
一般将来时：表示将要发生的动作，常常和将来的时间连用如：明天tomorrow，下周next
week，明年next
year等。动词原形前面加上be
going
to.
What
are
you
going
to
do
next
weekend
?
I
am
going
to
take
a
trip
next
weekend.
What
is
he
going
to
do
next
weekend
?
He
is
going
to
play
the
piano.
四．
一般过去时：表示过去发生的动作或者存在的状态。动词使用过去式，如做（did）去（went）。
What
did
you
do
last
weekend
?
I
played
football.
What
did
Mike
do
last
weekend
?
He
did
his
homework..
动词词型变化：
1．
三单：多加上（s）或（es）
Play—plays
do
–does
go—goes
study—studies
watch—watches
wash—washes
2．
现在分词：多数加上（ing）
Play--
playing
do
–doing
run
–running
take---taking
3．
过去式：多加（ed）
Play
–played
dance
–danced
study
–studied
不规则动词的过去式：
Do
---did
go
–went
read
–read
swim
–swam
sing
–sang
take—took
eat—ate
have—had
buy—bought
see—saw
leave
–left
get—got