Unit3Isthisyourpencil?QuestionsAnswersIsthisyourpencil?Yes,itis.It’smine./No,itisn’t.It’shers.Isthishisgreenpen?Yes,itis./No,itisn’t.Thebluepenishis.Isthatyourschoolbag?Yes,itis./No,itisn’t.It’shis.Aretheseyourbooks?Yes,theyare./No,theyaren’t.They’rehers.Arethoseherkeys?Yes,theyare./No,theyaren’t.They’remine.GrammarFocusGrammarFocusAttention!it’s＝itisisn’t＝isnotaren’t＝arenot3aCompletethequestionsandanswersabouteachpicture.Isyourbook?Yes,itis.No,it.Aremypencils?Yes,are.No,theyaren’t.Ishisruler?Yes,it.No,itisn’t.Areherpens?Yes,theyare.No,they.thisisn’tthesetheythatisthosearen’t3bReadthequestionsandcompletetheanswers.1.Isthisherruler?2.IsthatEric’sschoolbag?3.Arethesehispencils?4.ArethoseAnna’sbooks?Yes,.It’s.No,.Sally’s.Yes,.They’re.No,.mine.itishersitisn’tItistheyarehistheyaren’tThey’re3cPutsomethingsintotheteacher’sbox.Thentakesomethingoutoftheboxandfindtheowner.Youonlyhavetwoguesses!A:Isthisyourbook?B:Yes,itis.Conversation1A:Isthatyourruler?B:No,itisn’t.Itishers.Conversation2A:Isthisyourpen?B:Yes,itis.It’smine.Conversation3GrammarfocusThisisapencil.Isthisapencil?Thisismypencil.Isthisyourpencil?一般疑问句一、含义以动词be,have或助动词、情态动词开头，以yes或no作回答的问句叫做一般疑问句。回答时可以用完整的句子回答，但大多数情况下只需作简略回答。二、构成及答语如果句中有动词be(am,is,are)，将动词提到主语前，并大写开头字母，句末用问号，主语第一人称变第二人称，即变成了一般疑问句。一般疑问句要用Yes或No来回答。它的肯定答语是Yes,itis.否定答语是No，itisn’t.注意答语用it代替this/that。Thisismypencil.Isthisyourpencil?含有be动词的陈述句变为一般疑问句的步骤一般疑问句的肯定和否定回答：Isthisyourmother?Aretheseyourbrothers?Yes,itis.No,itisn’tYes,theyare.No,theyaren’tIsheyourbrother?Yes,heis.No,heisn’t总结：1.答语中的代词必须是______代词，人称he、she、it、they、we、I不能用these不能用this和问句中的主语保持一致一般疑问句的肯定和否定回答：Isthisyourpencil?Aretheseyourbrothers?Yes,itis.No,itisn’t.Yes,theyare.No,theyaren’t.Isheyourbrother?Yes,heis.No,heisn’t.总结：2.答语中的动词通常和______________________保持一致问句中的首位动词变为疑问句并做肯定和否定回答：1.Thisismyclock.2.Thatisyourring.3.Theseareherbooks.4.Thosearehisoranges.5.Thosearemybackpacks.Isthisyourclock?Isthatyourring?Aretheseherbooks?Arethosehisoranges?Arethoseyourbackpacks?1.--Isthisyour_____________?--Yes,_______you._____thatis________________.2.--_____this_______key?--Yes,____is._____mine.pencilboxthankAndmyschoolbagⅠ.根据图片完成句子。IsyouritIt’s解析:It’s是Itis的缩写形式,It指代this;“It’smine.”=“It’smykey.”Exercises3.Here’s________________.aneraser解析：a和an都是不定冠词,放在单数可数名词前,修饰限定名词,表示“一个、一块……”的意思。如果名词的读音以辅音音素开头,用不定冠词a,如:abanana,apear;如果名词的读音以元音音素开头,要用不定冠词an,如anorange,anegg。在本句中,单词eraser是以元音音素[i]开头的词,故要用冠词an。Ⅱ.按要求写出下列词的相应形式。1.hi(同义词)_______2.no(反义词)_______3.are(同音字母)_____4.color(动词)________5.Iam(缩写形式)______6.u(同音词)_______7.my(主格)________8.to(同音词)____________9.it’s(完整形式)_________helloyesRrcolorI’myouItoo/two(二)itis10.morning(对应词)__________11.this(对应词)______12.a(同义词)_______13.i(大写形式)_______14.that’s(完整形式)______________15.mynameis(缩写形式)_________________16.whatis(缩写形式)_________________anIthatismyname’swhat’seveni...
