一般现在时语法讲解.docx
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一般现在时语法讲解
一般现在时语法讲解
LT
2.不规则变化:
be----am,is,arehave----has
二、一般现在时的用法
表示经常性或习惯性的动作或存在的状态;表示客观事实或普遍真理;在时间、条件等状语从句中,用现在时表示将来;在某些以here,there开头的句子中,用一般现在时表示正在发生的动作
1)经常性或习惯性的动作,常与表示频度的时间状语连用。
时间状语:
every…,sometimes, at…,onSunday
Ileavehomeforschoolat7everymorning.
2)客观真理,客观存在,科学事实。
Theearthmovesaroundthesun.
ShanghailiesintheeastofChina.
3)表示格言或警句中。
Pridegoesbeforeafall. 骄者必败。
当主语是第三人称单数时:
1、动词变相应的第三人称单数形式
2、肯定句主语+动词s+其它
3、否定句主语+doesn't+动词原形+其它
4、一般疑问句Does+主语+动词原形+其它
5、肯定回答Yes,主语+does
6、否定回答No,主语+doesn't
7、特殊疑问句特殊疑问词+一般疑问句
当主语不是第三人称单数时:
1、肯定句主语+动词原形+其它
2、否定句主语+don't+动词原形+其它
3、一般疑问句Do+主语+动词原形+其它
4、要注意,句式结构错则全都错。
5、谓语动词的形式:
do/does
三、一般现在时的结构
一般现在时的结构
肯定式
疑问式
否定式
否定疑问式
Iwork.
Doyouwork?
Idon'twork.
Don'tyouwork?
Youwork.
Doyouwork?
Youdon'twork.
Don'tyouwork?
Wework.
Doyouwork?
Wedon'twork.
Don'tyouwork?
Theywork.
Dotheywork?
Theydon'twork.
Don'ttheywork?
He(She,It)works.
Doeshe(she,it)work?
He(She,It)doesn'twork.
Doesn'the(sheit)work?
练习:
1)用动词的适当形式填空
1.Ilike____________(swim).
2.He_________(read)Englisheveryday.
3.We_________(go)toschoolatseveninthemorning.
4.Mike________(go)toschoolatseveninthemorning.
5.Mymother________(like)______(go)shopping.
6.Ican________(draw)manybeautifulpictures.
7.She_________(make)amodelplane.
8.Doyou________(like)_________(run)?
9.Doeshe_________(like)_________(jump)?
10.DoesNancy_________(grow)flowersonSaturday?
11.Theteachers________(like)___________(dance).
12.Theteacher________(like)____________(dance).
13.Thestudents___________(speak)Englishinclass.
14.Thestudent_________(speak)Chineseafterclass.
15.Let's____________andplayfootball.(go)
16.He_____________likeswimming.(not)
17.I'msorry____________that.(hear)
18.He_______________makingsoup.(begoodat)
19.He______________makingsoup.(dowellin)
20._______youstudyEnglishatschool?
Yes,I_________.(do)
21.__________yoursisterstudyEnglishatschool?
No,she_______.(do)
22.How______Scottfeeltoday?
.(do)
23.Why__________Tomabsenttoday?
(be)
2)用所给的人称改写句子
1.ItakephotosonSunday.(Mike)
2.Wegrow(种植)beautifulflowers.(she)
3.Theylikecollectingstamps(集邮).(Ben)
4.Ilistentomusiccarefully.(myaunt)
5.Youlikemakingamodelship(轮船模型).(Helen)
6.Wecleantheclassroomeveryday.(he)
7.Theylookafter(照顾)thepandas.(MrWang)
8.Idrawatreeandsomeflowers.(Nancy)
9.Wegotobedateight.(mysister)
10.Ireadnewspapersintheevening.(MrGreen)
Eg
:
肯定句
He is watching TV now.
Eg
:
肯定句
We are working.
否定句
He is not watching TV now.
否定句
We are not working.
一般疑问句
Is he watching TV now?
一般疑问句
Are you working
?
肯定回答
Yes, he is.
肯定回答
Yes
,
we are.
否定回答
No, he isn’t.
否定回答
No
,
we aren’t .
Eg
:
肯定句
Tom and Mike are playing football right now.
否定句
Tom and Mike aren’t playing footb
all right now.
一般疑问句
Are Tom and Mike playing football right now
?
肯定回答
Yes
,
they are.
否定回答
No
,
they aren’t .
课堂练习:
(
1
)
. They are singing in the classroom.
否定句:
____________________________
一般疑问句:
_________________________
肯定回答:
____________________
否定回答:
____________________
(
2
)
.
用括号中动词的适当形式填空
1. My parents
____
_________
(
watch
)
TV now.
2. Look. Three boys
______
_________
(
run
)
.
3. ___ your dog
______ now?
(
sleep
)
4. ____ you
_____
(
listen
)
to music?
Yes, I am.
(
3
)选择题
1
. It’s
eight o’clock. The students _____ an English class.
A. have
B. having
C. is having
D. are having
2. We _____ music and often _____ to music.
A. like/ listen
B. likes/ listens
C. like/ are listening
动词变现在分词的规则:
1
:
1
、定义:
表示现在(说话瞬间)
正在进行
的动作。
2
、时间提示词:
now
(
=right now
)
,
look ,
listen
,
It’s …o’cl
ock
等
3
、使用情况:
表示说话时正在进行的动作及行为。