Be动词的几种形式

Ｂ e 动词旳几种形式与用法ｂ e 动词涉及 am,ｉ s,ar ｅ.一.肯定式与否认式(以人称代词为例)肯定式否认式Ｉ ａ m a s ｔ udent.I am n ｏ t a student.He /She／It is.．...． H ｅ /She／It ｉ s not．..．.．．We／You/They ａre...．．.W ｅ/You/They are noｔ ...．．.肯定句：主语＋ ｂ e +其他。 否认句：主语+ b ｅ ＋ not ＋其他。I am a ｓ t ｕ den ｔ. Ｉ a ｍ n ｏ t a ｄ o ｃ t ｏｒ.She is Lucy． She i ｓ ｎｏ t Lil ｙ.T ｈ ey a ｒ e at home， Ｔ hey are noｔ a ｔ scho ｏ l.疑问式与简略回答疑问式简略回答Am Ｉ....．. ？Y ｅｓ, I am.No, I am not.Is he/ s ｈｅ/ it.．．．．.?Yes, he/ ｓ he/ it is.N ｏ, ｈ e／ she/ it ｉｓ n’tＡ re we/ ｙ ou/ t ｈ ey.．.．..?Y ｅ s, we/ you/ t ｈ e ｙ are.N ｏ, we/ yo ｕ／ t ｈ ey aren’ ｔ一般疑问句:Ｂ e +主语+其他？ 回答：Ｙｅ s, 主语+ｂ e. / No, 主语+be+no ｔ.Ａ re ｙ o ｕ a ｔｅ acher? Y ｅｓ, I am. ／ No, Ｉ am n ｏ t.Are yo ｕ stu ｄ ents？ Yes, w ｅ are . ／ Ｎ o, we aren’t．Ｉ s h ｅ a wo ｒ k ｅ r？ Ｙ es， he ｉ s. / N ｏ, ｈｅ i ｓ n’t. 缩略形式肯定式否认式Ｉ am→I’mＩ’m not．you are →y ｏ u’reｙ ou’re not. / you aren’t. he is→he’sｓｈｅ is→she’ｓ it is →it’she’ｓ ｎ ot. / he isn’ｔ .s ｈ e’ｓ not． ／ she isn’t． ｉ t’s ｎ ot. / it isn’t. ｗ e are→ we’ｒ ethey are→ ｔ h ｅ y’rewe’r ｅ not. ／ ｗ e ａ ren’t .they’re not. / they we aren’t ．eg: Ｉ’ｍ a boy. Ｉ’m not a n ｕ rse.Ｙ ou’re ｔ en years ｏｌｄ. You’r ｅ ｎ ot our ｃ l ａ s ｓ ma ｔ e ｓ．She’s m ｙ si ｓｔｅ r. Sh ｅ’ not ｍ y b ｒ o ｔ h ｅｒ.B ｅ动词旳用法口诀:I 用ａ m,ｙｏｕ用 ar ｅ,ｉｓ连着他,她,它;单数名词用 is,复数名词全用ａ re.变疑问,往前提,句末问号莫丢弃； 变否认,更容易,be 后 not 莫忘掉疑问否认任你变,句首大写莫迟疑。课堂习题用 a...