華閱文章網*動詞3句一現肯否疑舉例
be動詞的一般現在時有三種形式，即：am, is, are。
1. 如果主語是第一人稱I（我）時，be動詞用am。
如：I am a student. 我是一名學生。
I am 還可縮寫成I'm。
如：I'm David. 我是大衛。
2. 如果主語是you （你，你們）， they （他們，它們，她們）或名詞復數（兩個以上的人或物）時，be動詞必須用are。
如：Are you twelve？ 你是十二歲嗎？Tom and Lily are good friends. 湯姆和莉莉是好朋友。They are atschool. 他們在學校。
are與主語還可縮寫。
如：We are= We're,They are =They're, You are = You're。
而are與not可縮寫成aren't。
如：They aren't students. 他們不是學生。但是am與not不能縮寫。
3. 如果主語是單數名詞、不可數名詞或單數第三人稱代詞（he, she, it）時，be動詞用is。
如：My mother is a teacher. 我的媽媽是一名老師。He is a student. 他是一名學生。
[肯定句] All the wonderful birds can be found in our Bird Park. （助動詞有兩個：can be ）
[否定句] All the wonderful birds can not be found in our Bird Park. （在第一個can 后加not）
*動詞3句一現肯否疑舉例
be動詞的一般現在時有三種形式，即：am, is, are。
1. 如果主語是第一人稱I（我）時，be動詞用am。 如：I am a student. 我是一名學生。
I am 還可縮寫成I'm。 如：I'm David. 我是大衛。
2. 如果主語是you （你，你們）， they （他們，它們，她們）或名詞復數（兩個以上的人或物）時，be動詞必須用are。 如：Are you twelve？ 你是十二歲嗎？Tom and Lily are good friends. 湯姆和莉莉是好朋友。
They are atschool. 他們在學校。 are與主語還可縮寫。
如：We are= We're,They are =They're, You are = You're。 而are與not可縮寫成aren't。
如：They aren't students. 他們不是學生。但是am與not不能縮寫。
3. 如果主語是單數名詞、不可數名詞或單數第三人稱代詞（he, she, it）時，be動詞用is。 如：My mother is a teacher. 我的媽媽是一名老師。
He is a student. 他是一名學生。 [肯定句] All the wonderful birds can be found in our Bird Park. （助動詞有兩個：can be ） [否定句] All the wonderful birds can not be found in our Bird Park. （在第一個can 后加not）。
* be 句型怎樣變一般疑問問
改一般疑問句的方法：
找出句中的be動詞（is,am,are,was,were），情態動詞（can,would,should,could,will），把它們放到句首，剩下的單詞按順序照抄。注：第一人稱改第二人稱，如：I/we改you,my/our改your,I am/we are改Are you,I was/we were改were you,I'd/I would改would you,I'll/I will改will you。如果句子是以be動詞的，句中的some要改any。
如果句中沒有be動詞及情態動詞，就在句首加上助動詞。在句中找到動詞原形，在句首加Do；找到動詞三單，就加Does，句中的動詞三單變回原形；找到動詞過去式，在句首加Did，動詞過去式變回原形。
（更多特殊形式略，如有需要告知，一定盡快列出完善）
如需追問，定盡快耐心解答！
真心希望能幫到您，您的采納是我的動力，祝您學習進步，新年快樂！
4.指什么含有be動詞的陳述句比一般疑問句
秘訣：一調二改三問號 一調：即把句中的be或情態動詞調到主語前； 二改：改換主語稱謂，即將句中的主語I\my \mines\we\our\ours等第一人稱分別改為相應的第二人稱you\your\ yours等； 三問號：句末的句號改為問號。
如： Eg6. I am an English teacher. → Are you an English teacher? Eg7. We can speak English fluently. → Can you speak English fluently?。
5.一、含有be動詞的陳述句變一般疑問句和否定句
、含有be動詞的陳述句變一般疑問句和否定句
1 The student is at school.
Is the student at school?
the student is not at school.
2 The students are at school.
are The students at school?
The students are not at school.
3 His father is an English teacher.
is His father an English teacher?
His father is not an English teacher.
4 These cats are crying.
are These cats crying?
These cats are not crying.
5 He is crying under the tree.
is He crying under the tree?
He is not crying under the tree.
6 His birthday is on the twentieth of November.
is His birthday on the twentieth of November?
His birthday is not on the twentieth of November.
7 Mrs. Li and Kitty are in a big shop.
are Mrs. Li and Kitty in a big shop?
Mrs. Li and Kitty are not in a big shop.
8 Everybody is in the classroom.
is Everybody in the classroom?
Everybody is not in the classroom.
9 The boy under the tree is hungry.
is The boy under the tree hungry?
The boy under the tree is not hungry.
10 Your brother's aunt is on the chair.
is Your brother's aunt on the chair?
Your brother's aunt is not on the chair.
11 There's an eraser on the desk.
is there an eraser on the desk?
There's not an eraser on the desk.
12 Those are your keys.
are Those your keys?
Those are not your keys.
13 John is his first name.
is John his first name?
John is not his first name.
以下一樣。把疑問詞is am are 提前變為疑問句。is am are后加not 變否定句
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