内容正文:
Grammar:一般现在时
什么是一般现在时?
一.
1.经常发生或反复发生的动作或是习惯。
e.g. He gets up at six every day.
Do you often wash your hair?
2.永恒的真理。
e.g. The sun rises in the east.
It snows in winter.
一般现在时的标志是什么?
二.
always. usually. often. sometimes. every day. every week…
e.g. He always goes to bed at ten at night.
She often gets up late on Sundays.
三一般现在时谓语动词的形式是怎样的?
1.当主语是第三人称单数时,谓语动词要加-e或-es
动词的单三形式变化规则:
规则变化:
*.一般动词在词尾加s: e.g. write--writes. read--reads
*.以s, x, o, ch, sh结尾的动词在词尾加es. e.g. watch--watches. wash--washes go--goes.
*.以辅音字母+y结尾的动词,改y为i, 再加es. carry--carries. fly—flies
不规则变化:be-is have-has
2. 当主语是其他人称时,谓语动词要用原形。怎样判断主语是第三人称?
四.
1.人称代词he, she, it是第三人称单数。如:
He likes watching TV. 他喜欢看电视。
She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。
2、单个人名、地名或称呼做主语;是第三人称单数。如:
①Mary looks like her mother. Mary看起来像她的母亲。
②Beijing is in China. 北京在中国。
③Mr. Wang often makes cakes. 王叔叔经常做蛋糕。
④My mother likes going shopping.我妈妈喜欢购物。
3、单数可数名词或"this / that / the+单数可数名词"作主语,是第三人称单数。如: