be动词的用法及含 有be动词的句子的 句型转换
英语中的be动词： am is are （是）
你能从下面句子观察出be动词的用法吗？
I am Tom. Are you Gina?
我（I）用am 你（you）用are
She is my teacher. is用于他(he)她(she)它(it)
This is my mom. They are students.
2. Where is he from?
He is from Canada. 3. How are you? I am OK. 4. Where are you from? I _a__m___from Japan. 5. ___I_s_she Maria? Yes, she _____i_s_./ No, she__i_s_n_’_t_. 6.__I_s__he from Canada? Yes, he_____i_s___./ No, he__i_s_n_’_t_.
1. Where __is__ she from? 2. What __is__ his name? 3. __A_re__ they English? 4. I _a_m___ fine. He __is___ fine ,too. 5. Her name __is___ Lucy. 6.Lily__is___a nice girl. 7.__Is___your mother a teacher?
总结
• 把肯定陈述句变成否定陈述句： • →1.找到be动词(am,is,are) • 2.然后在be动词后加not • 3.is not=isn’t are not=aren’t
把下列句子变成一般疑问句
1. I am Tom. →Are you Tom ? Yes,I am.
2.He is a student.
对划线部分提问
• 将划线部分去掉,分析句意.
1.My name is Nancy. What’s your name? 2.I am from China. Where are you from? 3.I am fine . How are you?
4. Miss. Wang is our English teacher.
句型转换
1.改为否定句 2.改为一般疑问句 3.划线部分提问
把下列句子变成否定句
1. I am Tom. →I am not Tom . 2.He is a student. →He is not a student . 3.She is my sister. →She is not my sister. 4.It is a dog. →It is not a dog . 5.These are cups. →These are not cups. 6.You are a teacher. →You are not a teacher.
1.Is she from Canada?(做肯定回答) ___Y_e_s__,____sh_e__ ____is___
2.I am a teacher.(改一般疑问句) __A__re_ __y_o_u_ __a__ _t_e_ac_h_e_r_?
3.Is he Paul?(做否定回答) _N__o____,___h_e____ __is_n_’_t ___
Thank ou !
Goodbye!
单数名词用is 复数一律要都用are
我(I)用 am ，你(you)用 are ， is用于他（he）/她（she）/它（it） ， 单数名词用 is，复数一律要用 are.
快速反应:用适当的be动词填空
1.— Where _a_r_e__ you from? — I __a_m___ from Beijing.
Who is your English teacher? 5.It is red. What coloris it?
肯定句变否定句： be动词后直接加not
肯定句变一般疑问句： be动词直接提前，首字母大写，句末加问号 肯定回答： Yes,主语+ be.
否定回答：No,主语+ be+not.
划线部分提问： 特殊疑问词+一般疑问句
→ Is he a student ? No, he isn’t.
3.She is my sister.
→ Is she your sister? Yes , she is .
4.It is a dog. → Is it a dog ?No, it isn’t. 5.These are cups.
→Are these cups? Yes ,they are.
4.My name is Mike .(一般疑问句) Is____ y_o_u_r__name Mike ? 5.She is from the U.S.A.(否定句)
She __is_n_’_t _from the U.S.A.
给am ,is ,are找家吧！
1. Are you Lily? No, I am not. I am Lucy.
2. He __is___ in Shanghai. 3. Maria and I __a_r_e_ good friends. 4. They __a_re__ from Japan.. 5. This __is__ my teacher. 6.I __am___ Della. 7. __A_re__ you Michael?
6.You are a teacher.
→Are you a teacher? No ,they aren’t.
总结
把肯定陈述句变为一般疑问句： →1.找到be动词（am,is,are）。
2.然后把be动词放在句首，首字母大写，句 末加问号。 3.I am 和we are改为 Are you 。 肯定回答：Yes,主语+ be. 否定回答：No,主语+ be+not.