如题所述
.一般过去时
概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。
2.时间状语:ago,
yesterday,
the
day
before
yesterday,
last
week(year,
night,
month…),
in
1989,
just
now,
at
the
age
of
5,
one
day,
long
long
ago,
once
upon
a
time,
etc.
3.基本结构:be动词;行为动词
4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词。
5.一般疑问句:was或were放于句首;用助动词do的过去式did
提问,同时还原行为动词。
6.例句:she
often
came
to
help
us
in
those
days.
i
didn't
know
you
were
so
busy.
过去完成时:
1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。
2.时间状语:before,
by
the
end
of
last
year(term,
month…),etc.
3.基本结构:had
+
done.
4.否定形式:had
+
not
+
done.
5.一般疑问句:had放于句首。
6.例句:as
soon
as
we
got
to
the
station,
the
train
had
left.
by
the
end
of
last
month.
we
had
reviewed
four
books
概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。
2.时间状语:ago,
yesterday,
the
day
before
yesterday,
last
week(year,
night,
month…),
in
1989,
just
now,
at
the
age
of
5,
one
day,
long
long
ago,
once
upon
a
time,
etc.
3.基本结构:be动词;行为动词
4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词。
5.一般疑问句:was或were放于句首;用助动词do的过去式did
提问,同时还原行为动词。
6.例句:she
often
came
to
help
us
in
those
days.
i
didn't
know
you
were
so
busy.
过去完成时:
1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。
2.时间状语:before,
by
the
end
of
last
year(term,
month…),etc.
3.基本结构:had
+
done.
4.否定形式:had
+
not
+
done.
5.一般疑问句:had放于句首。
6.例句:as
soon
as
we
got
to
the
station,
the
train
had
left.
by
the
end
of
last
month.
we
had
reviewed
four
books
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第1个回答 2020-04-09
动词过去式和的变化规则
动词过去式和过去分词有规则变化和不规则变化两种.
1)
规则变化
情况
例词
读音与说明
动词原形
过去式
过去分词
一般在动词原形后加-ed
look
call
open
need
looked
called
opened
needed
looked
[lukt]
called
[kC:ld]
opened
[5EupEnd]
needed
[ni:did]
①-ed在音素后
发音为〔t〕,在后发音为〔d〕,在元音后发音也为[d]
②-ed在〔t]、〔d〕
后发音为[id]
③但fix的过去式和过去
分词x不双写,为fixed.
以-e结尾的动词加-d
move
phone
hope
agree
moved
phoned
hoped
agreed
moved
[mu:vd]
phoned
[fEund]
hoped
[hEupt]
agreed
[E5^ri:d]
以加y结尾的动词,变y为i,
再加-ed
study
carry
try
studied
studied
carried
studied
[5stQdid]
carried
[5kArid]
tried
[traid]
以原音字母加y结尾的词,直接加-ed
play
enjoy
stay
played
enjoyed
stayed
played
[pleid]
enjoyed
[in5dVCid]
stayed
[steid]
末尾只有一个辅音字母的词,双写该辅音字母,再加-ed
stop
plan
fit
stopped
planned
fitted
stopped
[stCpt]
planned
[plAnd]
fitted
[5fitid]
以-r音节结尾的词,双写r字母,
再加-ed
prefer
refer
preferred
referred
preferred
[prI`f:d]
referred
[ri5fE:]
2)
不规则变化
英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况.本回答被提问者采纳
动词过去式和过去分词有规则变化和不规则变化两种.
1)
规则变化
情况
例词
读音与说明
动词原形
过去式
过去分词
一般在动词原形后加-ed
look
call
open
need
looked
called
opened
needed
looked
[lukt]
called
[kC:ld]
opened
[5EupEnd]
needed
[ni:did]
①-ed在音素后
发音为〔t〕,在后发音为〔d〕,在元音后发音也为[d]
②-ed在〔t]、〔d〕
后发音为[id]
③但fix的过去式和过去
分词x不双写,为fixed.
以-e结尾的动词加-d
move
phone
hope
agree
moved
phoned
hoped
agreed
moved
[mu:vd]
phoned
[fEund]
hoped
[hEupt]
agreed
[E5^ri:d]
以加y结尾的动词,变y为i,
再加-ed
study
carry
try
studied
studied
carried
studied
[5stQdid]
carried
[5kArid]
tried
[traid]
以原音字母加y结尾的词,直接加-ed
play
enjoy
stay
played
enjoyed
stayed
played
[pleid]
enjoyed
[in5dVCid]
stayed
[steid]
末尾只有一个辅音字母的词,双写该辅音字母,再加-ed
stop
plan
fit
stopped
planned
fitted
stopped
[stCpt]
planned
[plAnd]
fitted
[5fitid]
以-r音节结尾的词,双写r字母,
再加-ed
prefer
refer
preferred
referred
preferred
[prI`f:d]
referred
[ri5fE:]
2)
不规则变化
英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况.本回答被提问者采纳