小学英语四种时态语法
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• ②行为动词(动词过去式规则变化和不规则变化) I visited my grandparents yesterday.
1)动词过去式规则变化
构成规则
例子
一般在动词原形末尾加-ed
look→looked play→played work→worked
以不发音的e结尾的动词加-d
like→liked dance→danced live→lived
3、基本结构:
• ①be动词(注意be的人称变化,单数用was,复数 用were)
I was in the classroom yesterday morning. He was in the classroom yesterday morning. They were in the classroom yesterday morning.
3、基本结构: 1)be going to + 动词原形;(be有人称变化) 2)will+ 动词原形. 3)shall 动词原形 (第一人称)
I'm going to have a picnic this weekend.
Tomorrow will be Mid-Autumn Festival.
We will eat mooncakes.
以辅元辅结尾的重读闭音节,双 plan→planned
写尾字母,再加-ed
stop→stopped
drop→dropped
结尾是“辅音字母+y”的动词, study→studied
改“y”为“i”再加-ed
worry→worried
cry→cried
2)动词过去式不规则变化要牢记:
• am,is-was are-were do-did see-saw, say-said give-gave get- got go-went come-came have-had, eat-ate take-took, run-ran, sing-sang put-put,
says
is singing
sings
四种时态讲解
小学的时态分几种?
• 一、现在进行时(四年级下) • 二、一般现在时(五年级上) • 三、一般将来时(五年级下) • 四、一般过去时(五年级下)
过去
现在
一
一现Fra Baidu bibliotek
般
般在
过
现进
去
在行
时
时时
将来
时间轴
一 般 将 来 时
一、一般过去时
一般过去时
1、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、标志词:
1)yesterday或以其构成的短语:yesterday morning(afternoon, evening)等; 2)由“last+一时间名词”构成的短语:last night, last year (winter, month, week)等; 3)由“时间段+ago”构成的短语:long long ago,a moment ago, a short time ago,three days ago等; 4)其它:just now等
do→does
以辅音字母加y结尾的词 ,先变y为i, 再加-es,读/z/
study→studies carry→carries fly→flies
三、现在进行时
现在进行时
1、概念:现在(说话的瞬间)正在进行或发生的动 作,强调“此时此刻”。
2、标志词: look 看 ;listen听 ;now现在;at the moment
口头小结一下:
一般过去时 一般现在时 现在进行时 一般将来时
概念 标志词
基本结构
思考与讨论
• 1、四种时态的肯定句如何转化为否定句? • 2、四种时态的肯定句如何转化为一般疑问句? • 3、四种时态的肯定句如何转化为特殊疑问句?
is
does
do
cleans
washes
likes living
• 1、一般在动词词尾加上-ing ,E.g. jump--jumping
• 2、以不发音字母e结尾的动词,先去e,再加-ing. have--having/write--writing/dance-dancing/ take-taking/make-making/come-coming
• 3、重读闭音节结尾的词,双写尾字母, 再加上-ing.
He goes to school every day.
Katie often has breakfast at 7:15. The earth moves around the sun. (科学事实或真理)
一般现在时常以动词原形 表示,但当主语是第三人 称时,谓语动词要用第三 人称单数形式,加-s/es。
3、基本结构: be+动词ing(也叫现在分词) (主语不同,be的形式也不同) Look!It is raining outside. Listen! She is singing an English song. We are reading storybooks now.
现在分词的变法规律:
• meet-met sleep-slept teach-taught tell-told writewrote think-though
二、一般现在时
一般现在时:
1、概念:经常、反复发生的动作或行为及现在的某种 状况。
2、标志词: always, usually, often, sometimes, every week (day, year, month…), on Sundays, etc. 3、基本结构: ①be动词(is/am/are); ②行为动词(基本用原形,但主语三单动词要加s/es) e.g: I am a teacher. (现在的状态)
• make-made, read-read write-wrote, draw-drew, drinkdrank, fly-flew, ride-rode speak-spoke sweep-swept, buy-bought swim-swam, sit-sat bring—brought can-could cut-cut become-became begin-began draw-drew feelfelt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt (learned) leave-left let-let lose-lost
sit –sitting/put--putting/swim-swimming/ run-running/skip-skipping/hop-hopping
四、一般将来时
一般将来时
1、概念:表示将要发生的动作或存在的状态及打算、 计划或准备做某事。
2、标志词:
tomorrow, next day(week, month, year…),soon, the day after tomorrow(后天)等。
动词第三人规称则变化规则:
例子
一般在词尾加-s
Play→plays leave→leaves swim→swims
pass →passes
以字母s, x, ch, sh, o结尾的词加- watch→watches
es,读/iz/,如果动词原形词尾 teach→teaches
已有e,则只加-s。
wash→washes
1)动词过去式规则变化
构成规则
例子
一般在动词原形末尾加-ed
look→looked play→played work→worked
以不发音的e结尾的动词加-d
like→liked dance→danced live→lived
3、基本结构:
• ①be动词(注意be的人称变化,单数用was,复数 用were)
I was in the classroom yesterday morning. He was in the classroom yesterday morning. They were in the classroom yesterday morning.
3、基本结构: 1)be going to + 动词原形;(be有人称变化) 2)will+ 动词原形. 3)shall 动词原形 (第一人称)
I'm going to have a picnic this weekend.
Tomorrow will be Mid-Autumn Festival.
We will eat mooncakes.
以辅元辅结尾的重读闭音节,双 plan→planned
写尾字母,再加-ed
stop→stopped
drop→dropped
结尾是“辅音字母+y”的动词, study→studied
改“y”为“i”再加-ed
worry→worried
cry→cried
2)动词过去式不规则变化要牢记:
• am,is-was are-were do-did see-saw, say-said give-gave get- got go-went come-came have-had, eat-ate take-took, run-ran, sing-sang put-put,
says
is singing
sings
四种时态讲解
小学的时态分几种?
• 一、现在进行时(四年级下) • 二、一般现在时(五年级上) • 三、一般将来时(五年级下) • 四、一般过去时(五年级下)
过去
现在
一
一现Fra Baidu bibliotek
般
般在
过
现进
去
在行
时
时时
将来
时间轴
一 般 将 来 时
一、一般过去时
一般过去时
1、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、标志词:
1)yesterday或以其构成的短语:yesterday morning(afternoon, evening)等; 2)由“last+一时间名词”构成的短语:last night, last year (winter, month, week)等; 3)由“时间段+ago”构成的短语:long long ago,a moment ago, a short time ago,three days ago等; 4)其它:just now等
do→does
以辅音字母加y结尾的词 ,先变y为i, 再加-es,读/z/
study→studies carry→carries fly→flies
三、现在进行时
现在进行时
1、概念:现在(说话的瞬间)正在进行或发生的动 作,强调“此时此刻”。
2、标志词: look 看 ;listen听 ;now现在;at the moment
口头小结一下:
一般过去时 一般现在时 现在进行时 一般将来时
概念 标志词
基本结构
思考与讨论
• 1、四种时态的肯定句如何转化为否定句? • 2、四种时态的肯定句如何转化为一般疑问句? • 3、四种时态的肯定句如何转化为特殊疑问句?
is
does
do
cleans
washes
likes living
• 1、一般在动词词尾加上-ing ,E.g. jump--jumping
• 2、以不发音字母e结尾的动词,先去e,再加-ing. have--having/write--writing/dance-dancing/ take-taking/make-making/come-coming
• 3、重读闭音节结尾的词,双写尾字母, 再加上-ing.
He goes to school every day.
Katie often has breakfast at 7:15. The earth moves around the sun. (科学事实或真理)
一般现在时常以动词原形 表示,但当主语是第三人 称时,谓语动词要用第三 人称单数形式,加-s/es。
3、基本结构: be+动词ing(也叫现在分词) (主语不同,be的形式也不同) Look!It is raining outside. Listen! She is singing an English song. We are reading storybooks now.
现在分词的变法规律:
• meet-met sleep-slept teach-taught tell-told writewrote think-though
二、一般现在时
一般现在时:
1、概念:经常、反复发生的动作或行为及现在的某种 状况。
2、标志词: always, usually, often, sometimes, every week (day, year, month…), on Sundays, etc. 3、基本结构: ①be动词(is/am/are); ②行为动词(基本用原形,但主语三单动词要加s/es) e.g: I am a teacher. (现在的状态)
• make-made, read-read write-wrote, draw-drew, drinkdrank, fly-flew, ride-rode speak-spoke sweep-swept, buy-bought swim-swam, sit-sat bring—brought can-could cut-cut become-became begin-began draw-drew feelfelt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt (learned) leave-left let-let lose-lost
sit –sitting/put--putting/swim-swimming/ run-running/skip-skipping/hop-hopping
四、一般将来时
一般将来时
1、概念:表示将要发生的动作或存在的状态及打算、 计划或准备做某事。
2、标志词:
tomorrow, next day(week, month, year…),soon, the day after tomorrow(后天)等。
动词第三人规称则变化规则:
例子
一般在词尾加-s
Play→plays leave→leaves swim→swims
pass →passes
以字母s, x, ch, sh, o结尾的词加- watch→watches
es,读/iz/,如果动词原形词尾 teach→teaches
已有e,则只加-s。
wash→washes