一般现在时
1. 定义：表示经常发生或习惯性的动作.状态；表示经常的或者习惯性的动作，常与表示频度的时间状语连用。
常见的提示词有usually，often，every day，sometimes，always，at weekends，on Sundays
时间状语：every morning，every night，every evening，every day/week/year, twice a week, once a month, 等。
2. 谓语形式（时态通过谓语do/be体现，每一种时态都有固定的谓语形式）
1）谓语为Be动词
He is a student. 他是一个学生。
I am a girl.我是一个女孩子。
They are students. 他们是学生。
肯定句：主语+be+其他
She isn’t Lily.她不是莉莉。
They aren’t our teachers.他们不是咱们的老师
否定句：主语+be +not+其他
Is he a student?他是学生吗？
Yes, he is/No he isn’t.
Are you happy?你开心吗？
Yes,I am/No I am not.
一般疑问句：be 动词提前+主语+其他
肯定回答：Yes,主语+be+其他
否定回答：No,主语+be+not
My bike is under the tree.
Is your bike under the tree?
Where is your bike?
特殊疑问句：特殊疑问词+一般疑问句
常用的特殊疑问词：what,who,where,which,when,why,how
2)谓语是实义动词
主语不是第三人称单数时,助动词为do：
变化形式：
I like English.我喜欢英语。
We have six classes every day.我们每天有6节课。
肯定句：主语+动词原形+其他
I don’t like English.我不喜欢英语。
We don’t have six classes every day. 我们每天没有6节课。
否定句：主语 + don't + 动词原形+其他
一般疑问句：Do+主语+动词原形+其他
---Do you have six classes every day？
---Yes, I do. / No, I don’t
特殊疑问句：疑问词+以do开头的一般疑问句
What classes do you have every day?
注意：如果主语是单三，此时谓语动词需要加s或者es
He goes to the park every day. 他每天去公园
Tom plays the piano very well. Tom弹钢琴很好。
变化形式：
肯定句：主语+动词三单式(+其它)。
He swims well.
否定句：主语 + doesn’t + 动词原形(+其它)
He doesn’t swim well..
一般疑问句：Does +主语+动词原形+其它
---Does he swim well ?
---Yes, he does. / No, he doesn't.
特殊疑问句：疑问词+以does开头的一般疑问句
How does your father go to work?
3. 动词三单形式的变化规则：
一般情况下，直接加s 如：look-looks, take-takes
以s，x，sh，ch，o结尾，加es 如：teach-teaches, pass-passes, go-goes
以辅音字母＋y结尾，变y为i，再加es 如：study-studies，fly-flies
不规则变化 如：have-has
配套练习题
一.写出下列动词的第三人称单数
drink________go_______stay________make________look_________
have_______pass_______carry________come________watch______
plant_______fly_________study_______brush________do_________
teach_______wash_______
二.用be动词的适当形式填空。
1. I ________ from Australia.
2. She _______ an English student.
3.Mike and Tom _________ my friends.
4. My parents _______ very busy every day.
6.I ______ an English teacher now.
7.Where _________ you from?
10.The light _________ green.
三.用括号内动词的适当形式填空。
1.He often________(have)dinner at home.
2.Daniel and Tommy_______(be)in Class One.
3.We_______(not watch)TV on Monday.
4.Nick_______(not go)to the zoo on Sunday.
5.______they________(like)the World Cup?
6.What_______they often_______(do)on Saturdays?
7._______your parents_______(read)newspapers everyday?
8.The girl_______(teach)us English on Sundays.
9.She and I________(take)a walk to get here very evening.
10.There________(be)some water in the bottle.
11.Mike_______(like)cooking.
12.They_______(have)the same hobby.
13.My aunt_______(look)after her baby carefully.
14.You always_______(do)your homework well.
15.I_______(be)ill.I’m staying in bed.
四. 按照要求改写句子
1. Daniel watches TV every evening.
(改为否定句)_________________________
2. I do my homework every day.(改为一般疑问句，并作否定回答)
________________________________________________________
3. She likes milk.(改为一般疑问句，并作肯定回答)
___________________________
4. Amy likes playing computer games.
(改为一般疑问句，并作否定回答)
___________________________________________________
5. We go to school every morning.
(改为否定句)____________________________
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