五年级三单练习.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date五年级三单练习一般现在时主语单三人称时的动词变化一般现在时主语单三人称时的动词变化在一般现在时中，当主语为第三人称单数时，动词要用“s”型i）在动词尾直接加 s。如：playplays， wantwants， workworks， knowknows， helphelps，ii）以字母s、x、ch、sh或o结尾的动词加-es；如：guessguesses， fixfi

2、xes， teachteaches， wash-washes， gogoes，dodoes，watchwatches，catchcatchesiii）以辅音字母y结尾的动词，先变y为i，再加-es。如：studystudies，carrycarries，flyflies，familyfamilies, cry-cries强调如何将主语是第三人称单数的肯定句变为否定和疑问句。注：1、除三单外,其他人称的特殊疑问句：特殊疑问词加do来提问。如：What do you have? Where do they live? (除三单外其他人称包括I,we,you,they,my friends,his

3、parents,Mike and Davis,my dogs.) 2、三单的特殊疑问句:特殊疑问词加does来提问。如：What does hesheithave? Where does your brother dog friend live?回答用He She It My friend lives.这时候回答要用动词的S形式。 3、非三单的否定句，直接在动词前面加dont.三单的否定句在动词前面加doesnt,后面要用动词原形。即“三单的疑问句和否定句中，有了does，后面要用动词的S形式。4、非三单的一般疑问句用do放句首来引导，三单的一般疑问句用does放句来引导，后面用动词原形。一般

4、疑问句就是以助动词（do，does）、Be动词（am，is，are）、情态动词（can,may, will,could,等）引导，用YES或NO来回答。1）His mother works in a factoryHis mother doesnt work in a factory(否定句)Does his mother work in a factory？（一般疑问句）2）Mr Li teaches us EnglishMr Li doesnt teach us English（否定句）Does Mr Li teach you English？（一般疑问句）用下列词的适当形式填空1.She

5、_(have) blue eyes.2.We _(go ) to school every day3.The boy _(like) blue.4.We_(have) two cats.5.She_(write) to her mother once a week.6.She often_(watch)TV on Saturdays.7. Peter and Mary often_(play) badminton together.8.My mother_(have) many brothers.9._(do)she _(like) playing the violin? Yes,she_(d

6、o).10.She_(have)four brothers. She_(like) them very much.11. He often _(have) dinner at home.12. We _(not watch) TV every day .13.Sandy usually _(play) the piano on Sundays.14.The cat_(not like) eating fish every much.15. Su Hai and Su Yang _(have) eight lessons this term.16. She and I _(help) each other .17.Li Lei often _(help) me _(study) English .18.Could you please _ (teach) me English ?19.He _(read) English every day.20.I can _(draw) many beautiful pictures.翻译下列句子1.他每天说英语。_(改为否定句)_（一般疑问句）_3.他有一些书。_(否定句)_(一般疑问句)_。-