一、句子基本類型1. 肯定句:

Acomputerisatool.

Acomputerdoesalotofthingsforpeople.

Acomputercanbeconnectedwithothers.2. 否定句:

Acomputerisnotjustatool.

Acomputerdoesnotdoallthingsforpeople.

Acomputercannotworkwithoutanoperatingsystem.3. 一般疑問句:

Isacomputeratool?

Doesacomputerdoalotofthingsforpeople?

Canacomputerbeconnectedwithothers?

4. 特殊疑問句:

Whatisacomputer?

Whatdoesacomputerdo?

Whatcanacomputerdo?5. 反義疑問句:

Youlikeyourcomputerteacher,don’tyou?

Theywon’tbreakthemobileharddisks,willthey?

Iamlate,aren’tI?(conversational);amInot?(formal)

Idon’tthinkhecanfinishhisworkintime,canhe?6. 祈使句:

Gotoacomputershop.

Don’tgotoanInternetbaratnight.7. 感嘆句:

Whatawonderfulcomputer!

Howbeautifulthelaptopis!注意：特殊疑問詞是：what,who,when,where,why,how,etc.二、句子成分主語、謂語(Verb動詞)、賓語、定語、狀語、補語三、句子主要成分句子主要成分是主語、謂語（動詞）。四、從句或分句從句包括主語和謂語，從句是構(gòu)成一個完整句子或句子一個部分的基礎(chǔ)。五、簡單句和復(fù)雜句簡單句只包含一個從句。簡單句的主要結(jié)構(gòu)是：主語、謂語和賓語。我們經(jīng)常用SVO來表示主語、謂語和賓語。復(fù)雜句包含一個或多個主句以及一個或者多個附屬從句。復(fù)雜句有：名詞性從句、狀語從句、定語從句和其他類型的從句。六、從句1. 名詞性從句

名詞性從句有：主語從句、賓語從句、表語從句、同位語從句。2. 狀語從句

狀語從句有：時間/地點/程度/目的/結(jié)果/原因/條件/讓步/方式狀語從句。3. 定語從句

定語從句有：限定性定語從句和非限定性定語從句。ExerciseNamethefollowingsentenceswithacorrecttype:Positivesentence;Negativesentence;Yes-Noquestion;Wh-question;tagquestion;ImperativesentenceorExclamatorysentence:1. Computergamesareinteresting.Laptopsarenotasexpensiveastheywereinthepast.Isitanoperatingsystem?4. Whatisthemostpopularcomputerbrand?5. Themanisacomputerprogrammer,isn’the?6. Pleasetakeyourlaptopwithyouwhenyoucome.7. Whatawonderfulmake!ExerciseWhatclauseiscontainedineachofthefollowingsentences?

1. Howtheyteachthestudentsiscompletelyajoke.2. Ithinkthatcomputer-basedteachingmethodologywillbewidespreadworldwide.3. Itistruethatstudentslikechattingonlinemorethantalkingtofriendsfacetoface.4. ThecomputerteacherswhoworkintheInformationScienceDepartmentareexperiencedinmakingppts.5. HarbinNormalUniversityStarCollege,whichsituatesinHarbinHulanLiminDevelopmentzone,wasfoundedin2003.6. Studentslikewheretheirschoolislocated.7. Teachersgetthemostsatisfactionwhentheirstudentsmakegreatachievements.8. Ifacomputerislinkedwiththeinternet,itwillbringalotofconveniencetotheuser.