五十六五年级一般现在时和介词的用法语法演示教学

2021年1月8日发(作者：解振华)




五年级一般现在时和
介词的用法语法
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语法:
一、一般现在时
一般现在时表示:
1.经常发生的动作或存在状态，常和always（总是）, usually（通常）, often
（经常）, sometimes（有时候）, everyday（每天）, every week（每周）等时间
状语连用。
2.表示普遍真理
陈述句:
肯定句：《主语＋be动词～》
1.I am a teacher.我是老师
《主语＋动词～》
I often play football on Sundays. 我经常在周日踢足球。
第三人称单数＋动词-s或-es.>
She likes summer. 她喜欢夏天
否定句：1，主语＋be动词＋not～
You are not a student. 你不是学生
2，主语＋do not +动词～
I don’t go to school every day.
我每天不去上学
<第三人称单数＋does not＋动词～> She doesn’t go shopping on Saturdays. 她在周
六不购物。
一般疑问句 （句型、用法）
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陈述句变一般疑问句时，
1. 把be动词移到主语前面，即《Be动词＋主语～》
如: ------Are you a student?
------Yes, I am.
2. 把do或does移到句首，即《Do (Does)+主语＋动词原型～》
如：------Do you have English class on Mondays?
------ No, we don’t.
------ Does he play football every day?
------ Yes, he does.
用所给词的适当形式填空
1. I ______to school from Monday to Friday. My brother often _______to school
with me.（go）
usually _______lunch at school canteen. ( have )
3. My sister likes ________very much. She often _______at her bedroom.( sing )
4. _________your grandparents often _________(take)exercise in the morning?
5. Jane ________every day. Look! She_____________in the music room.( dance )
6.__________that young man _________(work)in a toy factory?
按要求改写句子
1． It often rains in summer here. （改为一般疑问句）
__________ it often _________ in summer here?
2． I like autumn best. （改为否定句）
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I ________ _________ autumn best.
3．She often cleans his bedroom on Saturday. （改为否定句）
She ___________ often __________ his bedroom on Saturday
4．The boy can jump high. (改为否定句)
The boy __________ jump high.
5． The boys are playing football. （改为一般疑问句）
__________ the boys __________ football?
6．My mother is a bank clerk. （改为否定句）
My mother __________ a bank clerk.

二、介词in, on , at 的运用
1.表示方位
in在…里面 on 在…上面
in my bag
2.表示在某个地点
in（大地点）
in China
at the Zoo
at 小地点
in Guangzhou
at home

on the wall
3. in, on, at表示在某个时间
in 表示在一段时间里，如年、月、季节
in 2011 in September in summer
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on 表示在具体的一天或一天中的某个时段，如5月1日、星期一、星期天的早
上
on May 1
st
on Monday On Sunday morning
at表示在几点钟，如在5：30
at half past five
还有一些固定搭配，需熟记
in the mornigafternoonevening at noonnightmidnight
at the weekend on weekdays
注意：季节、月份、星期、早中晚等表示时间的词，当前面有修饰词this
nextlast every时，前面不用介词。
My father does some reading ___/___ every evening.
I usually do my homework ___in___ the evening.
They are going to Beijing__/___next Friday.
The boys often play football ___on___ Sunday.
还有一些其它的用法
1）in +（颜色、衣服的的词）表示穿着
The man in blue is Mr Chen.
Who’s that girl in a red coat?
2）in +语言的词，表示用….语言
I can tell stories in English.
请选择括号中的介词进行填空，把句子补充完整。
1. I get up at 7:30 _______ (at, in, on) the morning.
2. My father usually goes to work ________ (at, in, on) 8:00.
3. The party will begin ______ (at, in, on) 2:00pm.
4. My birthday is _________ (at, in, on) January.
5. He often plays football with his friends _______ (at, in, on) Sunday.
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