牛津译林版中考一般现在时时态总结

一般现在时：
1、定义
表示经常性或习惯性发生的动作或存在的状态。
2、构成
主语+do/does（动词原形或第三人称单数形式）+其他
主语+be(am、is、are）+其他
动词第三人称单数的变化：
一般情况下动词后直接加s
run→runs、make→makes、read→reads
以ch、sh、s、x、o、结尾的动词，在词尾加es
teach→teaches、wash→washes、miss→misses
fix→fixes
go→goes
以辅音字母加y结尾的动词，变y为i加es
study→studies
worry→worries
特殊变法
have→has
三、时间标志词
always、often、usually、sometimes等（频度副词）
every
day(week、year
month)、on
Sundays、once
a
day
四、句型转换
1、否定句
①
I
like
singing
very
much.
↓
I
don’t
like
singing
very
much.
总结：主语+don’t+do(动词原形）+其他
②
My
sister
likes
TFboys
very
much.
↓
My
sister
doesn’t
like
TFboys
very
much.
总结：主语（三单）+doesn't+do（动词原形）+其他
③
TFboys
are
popular
in
China
.
↓
TFboys
are
not
popular
in
China
.
总结：主语+be（am、is、are）not+其他
2、一般疑问句
①
I
like
singing
very
much.
↓
Do
you
like
singing
very
much?
总结：Do+主语+do（动词原形）+其他？
回答：Yes,主语+do；
No，主语+don’t
②
My
sister
likes
TFboys
very
much.
↓
Does
your
sister
like
TFboys
very
much?
总结：Does+主语（三单）+do（动词原形）+其他？
回答:Yes,主语+does;
No，主语+doesn't
③
TFboys
are
popular
in
china
.
↓
Are
TFboys
popular
in
China?
总结：Be（am、is、are）+主语+其他？
回答：Yes，主语+be
；No,主语+be
not(缩写)
3、特殊疑问句
Wendy
often
teaches
English
online
on
Sundays.
对wendy提问：Who
often
teaches
English
online
on
Sundays?
对主语提问：特殊疑问词+do/does/be+其他？
对teaches
English提问：What
does
Wendy
often
do
online
on
Sundays？
对on
Sundays提问
:When
does
Wendy
often
teaches
English
online?
对非主语提问:特殊疑问词+do/does/be+主语+其他？
5、特殊考点
1、客观真理
The
sun
rises
in
the
east.
2、if引导条件状语从句
I
will
tell
him
the
news
if
he
comes
tomorrow。