U1Be動(dòng)詞姓名_____________練練手，看看下面的詞都可以用哪個(gè)人稱代詞來替換Linda_____Billy______cat_______book_______LilianandDaniel________Amy’smother★Be動(dòng)詞和這些人稱代詞的組合方式我們可以用一個(gè)小口訣來記住。我用am,你用are,is用于她、她、它。復(fù)數(shù)通通都用are。你都學(xué)會(huì)了么？來做個(gè)小練習(xí)，鞏固一下吧。1.I______aboy.______youaboy?No,I_____not.2.Thegirl______Jack's.Thedog_______tallandfat.4.Where_____yourmother?She______athome.5.MikeandLiuTao______at.Whosesocks______they?7.Who______I?jeans______onthedesk.9.Theblackpants______forSu.JackandJohnson______playingagame.★當(dāng)我們要表示否定的時(shí)候，直接在be動(dòng)詞后面加上not就可以了下面請(qǐng)你來動(dòng)手變一變am___________is____________are_____________其中，isnot又可以縮寫成__________,arenot又可以縮寫成_________。練習(xí)時(shí)間到了！按要求改寫下面的句子。1.Sheisagirl.(改成否定的句子)2.Itisamarker.(改成否定的句子)________________________________________________________-3.Heismyfather.(改成否定的句子)4.Thebirdsareflying.(改成否定的句子)\___________________________________________________________5.Thefarmeristalking.(改成否定的句子)—————————————————————————————6.Sheisnotmymother.(改成肯定句)___________________________________________________________7.Thefrogsaren’tjumping.(改成肯定句)___________________________________________________________8.Itisn’tachair.(改成肯定句)___________________________________________________________9.Iamnotateacher.(改成肯定句)10.Heisnotababy.(改成肯定句)___________________________________________________________________陳述句的構(gòu)成方式是什么？我們先來觀察幾個(gè)句子。Itisamarker.Sheisaisjumping.Theyarearefriends.Iamateacher.★你發(fā)現(xiàn)了嗎，含有be動(dòng)詞的陳述句是這樣構(gòu)成的—————————————————————————一般疑問句的構(gòu)成方式是什么？我們先來觀察幾個(gè)句子。Isitamarker?Issheagirl?Isshejumping?Aretheyapples?Arewefriends?Areyouateacher?★小心一點(diǎn)：在答句中，主語用的都是人稱代詞。不會(huì)直接出現(xiàn)人名，物名。大練兵！請(qǐng)將下列句子改成一般疑問句，并按要求回答。要回答完整哦，不能只回答yes或者no1.Hisfatherisadoctor.(是的)____________________________________________________________________2.Thecatsarewalking.(不是)____________________________________________________________________3.Theyareswimming.（是的）____________________________________________________________________4.Sheisrollerskating.（不是）____________________________________________________________________5.HisbirthdayisonMondaythisyear.（是的）____________________________________________________________________6.JackyandBillyareinthelivingroom.（不是）____________________________________________________________________7.Kittyiswearingapinkdress..（是的）____________________________________________________________________8.Itisacircle.（不是）_____________________________________________________