she likes him.
the dog likes bones.
变疑问句在句首加does, 动词变为原型。
does he like books?
does she like him?
does the dog like bones?
变否定句在主语及动词之间加doesn’t, 动词变为原型，原句中的动词不再有第三人称变化。
he doesn’t like books.
she doesn’t like him.
the dog doesn’t like bones.
肯定回答及否定回答：
yes, he does. no, he doesn’t.
yes, she does. no, she doesn’t
yes, it does. no, it doesn’t.
注意：第三人称单数形式一般在动词后面加s，不要和名词复数混淆，变否定句或疑问句时名词复数没有任何变化。
其他人称及复数名词。
i want to h**e a bath.
we h**e some meat.
the students like smart teachers.
变疑问句在句首加do
do you want to h**e a bath?
do we h**e any meat?
do the students like smart teachers?
变否定句在主语和动词之间加don’t.
you don’t want to h**e a bath.
we don’t h**e any meat.
the students don’t like smart teachers.
肯定回答及否定回答。
yes, i do. no, i don’t.
yes, we do. no, we don’t
yes, they do. no, they don’t.
新概念英语第一册语法精粹（二）
2. 现在进行时。
表示现在正在进行的动作。
构成： 主语＋be动词＋动词的现在分词＋其它成分（现在分词的构成见附录）
we are h**ing lunch.
he is reading a book.
the dog is running after a cat.
the boys are swimming across the river.
变疑问句将be动词移到句首。
are we h**ing lunch?
is he reading a book?
is the dog running after a cat?
are the boys swimming across the river?
变否定句在be动词后面加 not
we are not h**ing lunch.
he is not reading a book.
the dog is not running after a cat.
the boys are swimming across the river.
特殊疑问句：what, which, how, where, who, etc.
疑问词＋动词＋主语＋现在分词。
what are you doing?
what is she doing?
what is the dog doing?
没有进行时的动词（必背）
表示状态，思想，感情和感觉的动词不能表示正在进行的动作。
1. 表示感觉，感官的词。
see, hear, like, love, want,2. h**e, has当”拥有”讲时没有进行时。
新概念英语第一册语法精粹（三）
3. 一般过去时。
表示过去发生的动作或事件， 常和表示过去的时间状语连用，如yesterday, last night, the day before ，yesterday, 3 days ago,含有be动词的句子，将动词变为过去式，am, is的过去式为was，are的过去式为were
i was at the butcher’s.
you were a student a year ago.
the teacher was very beautiful ten years ago.
变疑问句将be动词移动到句首。
were you at the butcher’s?
were you a student a year ago?
was the teacher very beautiful ten years ago?
变否定句在be动词后面加not
i was not at the butcher’s.
you were not a student a year ago.
the teacher was not very beautiful ten years ago.
肯定回答否定回答。
yes, i was. no, i was not.
yes, you were. no, you were not.
yes, he/she was. no, he/she was not.
特殊疑问句：
what did you do?
必背）不含有be动词的句子，将动词变为过去式，动词过去式构成见附录。
i finished my homework yesterday.
the boy went to a restaurant.
the sawyers lived at king street a year ago.
变疑问句在句首加did， 动词变为原型。
did you finish your homework yesterday?
did the boy go to a restaurant?
did the sawyers live at king street a year ago?
变否定句在主语和动词之间加did not
i did not finish my homework yesterday.
the boy did not go to a restaurant.
the sawyers did not live at king street a year ago.
肯定回答及否定回答。
yes, i did. no, i didn’t.
yes, he did. no, he didn’t.
yes, they did. no, they did not.
新概念英语第一册语法精粹（四）
4. 现在完成时。
构成：主语+助动词h**e, has+过去分词。
用法：2） 表示过去发生的和现在有某种联系的动作，常和just, usually, already, since等时间副词连用。
i h**e just had lunch. （饱了，不用再吃了）
新概念英语第一册语法总结
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一 特殊句型 there be 句型，be going to 结构。1.be going to 结构。表示打算，准备，计划做某事。结构 主语 be动词 going to 动词原型。i am going to make a bookcase.they are going to paint it.the...
新概念英语第一册 语法连词
新概念英语第一册 语法连词。一 并列连词。1.and和or and和or是用得多的并列连词。我们先来看看and的用法。1 表示另加 其意为 和 又 而且 如 let me h e some toasts and a cup of coffee.给我来几片烤面包和一杯咖啡。2 表示结果 意为 因此 与...