初一上册必考英语知识点


    初一的学生学习英语,务必要做到勤奋,不管是单词、句型还是语法知识,都需要我们反复地去理解和记忆。下面小编为大家带来初一上册必考英语知识点,希望大家喜欢!
    
    初一上册必考英语知识点
    1、名词的复数
    (1)、一般的直接加s,如desk(desks) 、pen(pens) 、ruler(rulers)
    (2)、以x 、s、ch、sh结尾的加es如box(boxes)、class(classes)、watch(watches)等
    (3)、以辅音字母加y结尾的要变y为i加es,如family ,comedy,documentary等
    (4)、以0结尾的名词,有生命的加es如:tomato(tomatoes) 、potato (potatoes );没有生命的加s,如
    photo(photos)、piano(pianos)、zero(zeros)
    2、名词所有格在名词的后边加’s ,表示后面的名词属于前面的名词所有,如LiLei’s bag Tom’s desk 、her mother’s brother
    3、专用名词的大写
    如English、Brown 、Rush 、Sunday 、January 、December、 Beijing Opera
    初一上册重要英语知识点
    1、动词的种类(四类)
    系动词如be(is am are);情态动词如can 、may、need;助动词( do does);行为动词如take 、bring、eat、have(has)、like、sell、buy、sale、play、see、find、go、watch、thank、think等
    2、动词的第三人称单数(与名词的复数一样)
    如eat(eats) take (takes) buy (buys) play (plays) have(has) are (is)
    3、动词的时态(一般现在时)
    ( 1)含有系动词的
    I’m a Chinese boy .
    She is twelve .
    He is Tim’s brother .
    Her mother is an English teacher .
    含有系动词的句子在变一般疑问句时只将“主语和系动词交换位置”,上面句子变成一般疑问句时分别为
    Are you a Chinese boy ?(注意第一人称通常变为第二人称)
    Is she twelve ?
    Is he Tim’s brother ?
    Is her mother an English teacher ?
    含有系动词的句子在变否定句时只须“在系动词的后边加上not”,前面的几个了陈述句变否定句分别为
    I’m not a Chinese boy.
    She isn’t twelve .
    He is not Tim’s btother .
    Her mother isn’t an English teacher .
    (2)含有情态动词的句子( can ),
    She can play basketball.
    His mother’s cousin can sing many English songs.
    含有情态动词的句子在变一般疑问句时只须将“主语和情态动词交换位置”,上面两句变一般疑问句分别为
    Can she play basketball ?
    Can his mother’s cousin sing many English songs ?
    含有情态动词的句子在变否定句时直接在情态动词的后边加上not ,上面两个陈述句变否定句分别为
    She can not play basketball .
    His mother’s cousin can not sing many English songs .
    (3)含有行为动词的句子
    We have many friends.
    They watch TV at 7 in the evening .
    The students take their books to school .
    I have lunch at school .
    You have a sister .
    1含有行为动词的句子在变一般疑问句时要在原句子的前面加do.上面的句子变成一般疑问句分别为
    Do you have many friends ?
    Do they watch TV at 7 in the evening ?
    Do the students take their books to school ?
    Do you have lunch at school ?
    Do you have a sister ?
    2含有行为动词的句子在变否定句时只须在行为动词前加don’t .上述五个陈述句变否定句分别为
    We don’t have many friends.
    They don’t watch TV at 7 in the evening .
    The students don’t take their books to school .
    I don’t have lunch at school .
    You don’t have a sister .
    3含有行为动词的句子,当主语是第三人称单数时,行为动词要加s (或es)如:
    She has a red pen .
    He has eggs for breakfast .
    Her mother buys a skirt for her .
    She likes thrillers .
    My brother watches TV every evening .
    He wants to go to a movie .
    含有行为动词的句子,当主语是第三人称单数时,变一般疑问句要“在原句子的前面加上does ,同时行为动词要还原”。上面的句子变成一般疑问句分别为:
    Does she have a red pen ?
    Does he have eggs for breakfast ?
    Does her mother buy a skirt for her ?
    Does she like thrillers ?
    Does your brother watch TV every evening ?
    Does he want to go to a movie ?
    含有行为动词的句子,当主语是第三人称单数时,变否定句时“在行为动词前面加does’nt ,同时原行为动词要还原”。上面的句子变否定句分别为:
    She doesn’t have a red pen .
    He doesn’t have eggs for breakfast .
    Her mother doesn’t buy a skirt for her .
    She doesn’t like thrillers .
    My brother doesn’t watch TV every evening .
    He doesn’t want to go to a movie .
    初一上册会考英语知识点
    本册的介词较少,主要用在介词短语里面,如
    on:on sale (销售) on weekends (在周末) on April 8th, (在四月八日) on the desk (在桌子上) on TV (在电视上)
    in:in English (用英语) in the afternoon (在下午) in the case (在盒子里)
    T-shirt in red (红色T恤) be in the movie(出演这部电影) in September (在九月)
    be in our school music festival (参加我们学校的音乐节)
    at:call sb.at 3356 (拨打3356找某人) at your school (在你们学校里) at Huaxing Clothes Store (在华兴服装店) at a very good price (以非常优惠的价格) at six (六点钟)
    have a look at (看一看)
    of:a set of (一串…) the photo of your family (你的全家照) lots of =a lot of (许多)
    date of birth(birthday)(生日)
    with:with sb. (同某人一起) be good with (和…相处得好) help sb. with sth. (帮助某人做某事)
    for:thanks for =thank you for (谢谢某人的….) bag for sports (运动包) pants for $30 (卖30元的裤子) see for yourself (亲自看看) for girls (对女孩子来说) like sth. for lunch (喜欢吃……当作午餐)
    about:about Chinese history (有关中国历史)
    under:under the desk (在桌子下面)