通俗易懂-深入浅出,小白入门首选
英语学习先从简单点单词句子开始,同时语法也很重要!今天看看be动词用法及怎么把肯定句变否定句,如何把陈述句变疑问句!
口诀:
我用am,你用are,is连着他,她,它;
单数名词用is,复数名词全用are.
变疑问,往前提,句末问号莫丢弃
变否定,更容易,be后not莫忘记
疑问否定任你变,句首大写莫迟疑
be动词用法
“Be”除了原形的“be”之外,还有另外七种形式:am, is, are, been, being, was, were.
在句子中,“be”可以是主动词(The Principal Verb)或助动词(The Auxiliary Verb).
当主动词时,“be”在性质上属于接系动词(The Linking Verb), 后面要有名词、形容词、地方副词或短语作补足语(The Complement)。例如:
1. The man is a science teacher.
2. Mary's new dresses are colourful.
3. I have been there before.
4. Mother is in the kitchen now.
这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:
5. Is the man a science teacher?
6. Are Mary's new dresses colourful?
7. Have I been there before?
8. Is mother in the kitchen now?
当“be”要在祈使句中出现时,它必须借重助动词“do”或“don't”之助,如:
9. Don't be silly!
10. Do be obedient!
11. Don't be a fool!
“Be”有两种缩写法,如下:
He's not...../He isn't....
You're not...../You aren't...
但“am + not”的缩写法只有一个:
I'm not.
谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:
1.“Be + 现在分词”以组成进行式时态(Continuous Tenses),如:
Tony's maid is washing his new car.
The children are playing in the field.
Samuel was eating when I came in.
We have been living here since 1959.
2.“Be + 过去分词”以组成被动语态(The Passive Voice),如:
Her money in the drawer was stolen.
A number of good jobs are taken up byforeigners.
David studied in Taiwan but has been trained as a language lecturer in America.
Can all the wonderful birds be found in our Bird Park?
The disobedient boy was told to stand out- side the classroom.
Steps are being taken to reduce traffic con- gestion during peak hours.
Dishonest students will be immediately dealt with.
拓展
一、肯定句变否定句:加not
She works here . She doesn't work here .
I have been in China . I haven't been in China .
I am a student . I'm not a student .
LiLei has ever been to Guiling . Li Lei hasn't been to Guiling .
She is going to do her homework . She isn't going to do her homework .
use to疑问句和否定句有两种方式:1 像其它行为动词过去时一样,借助于助动词did,used恢复原形use.2 直接用used,提前构成疑问句,后面加not 构成否定句
二、陈述句变疑问句
1·先找系动词be:am,is,are,was,were。找到后提前变人称(第一人称变第二人称,第三人称不变)加问号。例:you are a pupil变Are youa pupil?
2找不到系动词再找情态动词:can may must will shall need could should would might 找到后变人称(第一人称变第二人称,第三人称不变)加问号。例:They will go to school.变Will they go to school?
3找have got,has got ,had got.找到后把have has had 提前,got留在原地不动。变人称加问号 例:You have got a TV.变Have you got a TV?
4添加助动词:do does did,把助动词加在最前面 ,例:I play with a dog变Do you play with a dog.以上四种方法变成疑问句之后把里面的动词都变成原型。
一般疑问句及肯定否定回答
1、问句: Is this your English book?
肯答: Yes,it is.
否答: No,it isn`t.
2、 问句: Are these your English books?
肯答: Yes,they are.
否答: No,they aren’t.
3、 问句: Can you speak English?
肯答: Yes,I can.
否答: No,I can’t.
4、 问句: Do your parents like English?
肯答: Yes,they do.
否答: No,they don’t.
5、 问句: Can you speak English?
肯答: Certainly \ Of course.
否答: Sorry, I can’t.
6、问句:May I watch TV after supper?
答:Yes, you may. / No, you mustn't.
7、 问句:May I stop here?
答:No, you mustn't.
8、问句:Must I finish my homework before eight o'clock?
答:Yes, you mus.
9、问句:Must I attend the meeting?
答:No, you needn't(No, you don't have to). You can ask Tom to go instead.
10、问句:Need we stay behind after school?
答:Yes, you must.
11、问句:Need he go now?
答:No, he needn't.
虎年七言横批对联大全(精选75对)
新概念英语第一册(课件17-18课)
初二英语学习方法(初中英语重点内容学习方法)
雅思听力机经词汇有用吗(雅思单词背诵技巧雅思单词背诵技巧)
做家务作文(分享500字优秀范文)
羽绒服英文单词怎么写(羽绒服用英文翻译)
四分之三的英语表达(英语分数表达方法)
八上英语一、二单元短语(初中必背英语短语大全)
玻璃钢生产厂家山西商城玻璃钢造型雕塑制作赤峰玻璃钢雕塑定制玻璃钢雕塑头像真人新密玻璃钢浮雕室外抽象雕塑泗县玻璃钢雕塑制造公司惠济区博物馆玻璃钢雕塑合肥厂家玻璃钢雕塑衢州大型玻璃钢雕塑商场美陈场景的设计扬州玻璃钢卡通雕塑厂家长沙城市玻璃钢雕塑造型潍坊玻璃钢雕塑定做玻璃钢雕塑哆啦a梦玻璃钢彩绘雕塑工厂哪有玻璃钢雕塑设计与制作清远玻璃钢公仔雕塑定制福建玻璃钢雕塑大全浙江景区玻璃钢雕塑生产厂家玻璃钢雕塑钓鱼翁美国超人雕塑玻璃钢保定彩绘玻璃钢雕塑上海玻璃钢抽象艺术雕塑摆件江苏开业商场美陈哪里买日照玻璃钢造型雕塑丹东市玻璃钢雕塑定制玻璃钢实物模型雕塑商场户外美陈消电检报告乳山玻璃钢游乐场门头雕塑松江区玻璃钢雕塑推荐厂家陵水黎族自治县玻璃钢雕塑香港通过《维护国家安全条例》两大学生合买彩票中奖一人不认账让美丽中国“从细节出发”19岁小伙救下5人后溺亡 多方发声单亲妈妈陷入热恋 14岁儿子报警汪小菲曝离婚始末遭遇山火的松茸之乡雅江山火三名扑火人员牺牲系谣言何赛飞追着代拍打萧美琴窜访捷克 外交部回应卫健委通报少年有偿捐血浆16次猝死手机成瘾是影响睡眠质量重要因素高校汽车撞人致3死16伤 司机系学生315晚会后胖东来又人满为患了小米汽车超级工厂正式揭幕中国拥有亿元资产的家庭达13.3万户周杰伦一审败诉网易男孩8年未见母亲被告知被遗忘许家印被限制高消费饲养员用铁锨驱打大熊猫被辞退男子被猫抓伤后确诊“猫抓病”特朗普无法缴纳4.54亿美元罚金倪萍分享减重40斤方法联合利华开始重组张家界的山上“长”满了韩国人?张立群任西安交通大学校长杨倩无缘巴黎奥运“重生之我在北大当嫡校长”黑马情侣提车了专访95后高颜值猪保姆考生莫言也上北大硕士复试名单了网友洛杉矶偶遇贾玲专家建议不必谈骨泥色变沉迷短剧的人就像掉进了杀猪盘奥巴马现身唐宁街 黑色着装引猜测七年后宇文玥被薅头发捞上岸事业单位女子向同事水杯投不明物质凯特王妃现身!外出购物视频曝光河南驻马店通报西平中学跳楼事件王树国卸任西安交大校长 师生送别恒大被罚41.75亿到底怎么缴男子被流浪猫绊倒 投喂者赔24万房客欠租失踪 房东直发愁西双版纳热带植物园回应蜉蝣大爆发钱人豪晒法院裁定实锤抄袭外国人感慨凌晨的中国很安全胖东来员工每周单休无小长假白宫:哈马斯三号人物被杀测试车高速逃费 小米:已补缴老人退休金被冒领16年 金额超20万