
回答时看结果到底是否定的还是肯定的,是肯定的,就用Yes,+肯定形式;如果是否定的,就用No,+否定形式。
否定句是含有否定词如no(t)等表达否定意思的句子(通常翻译之后句中有“不”字)。adj是形容词的缩写,易与副词缩写adv混淆,有的英语字典里形容词也缩写成a,副词缩写成ad.
简单地说就是在动词后面加not,有is、am、are的句子会在这些词后面加not,Iam(not)aboy.没有is、am、are的句子会在动词前加don“t或者donot,I(don“t)likebasketball.
如果有must、may、can这类的词,在这类词后面加not,Ican(not)walk.
heisaworker变成否定句是
He is on a worker.
注
句子中有be动词变成否定句时,即接在be动词的后面加not。
原句:She is a worker.
改为否定句;
She isn't a worker.
回答时看结果到底是否定的还是肯定的,是肯定的,就用Yes,+肯定形式;如果是否定的,就用No,+否定形式。
否定句是含有否定词如no(t)等表达否定意思的句子(通常翻译之后句中有“不”字)。adj是形容词的缩写,易与副词缩写adv混淆,有的英语字典里形容词也缩写成a,副词缩写成ad.
简单地说就是在动词后面加not,有is、am、are的句子会在这些词后面加not,Iam(not)aboy.没有is、am、are的句子会在动词前加don't或者donot,I(don't)likebasketball.
如果有must、may、can这类的词,在这类词后面加not,Ican(not)walk.
her+mother+is+a+worker.
改为否定句:
Her mother isn’t a worker.
be动词可用作系动词be和助动词be两种情况。
be的各种形式有:
be,am,is,are,was,were,been,being.
be作系动词用:
I am a worker.
We are happy.
You are a good student.
He is a clever boy.
They were in Grade Nine last year.
……
在上面这些句子中,都含有系动词be,含有系动词be的句子,都是主系表结构。把这样的句子变成一般疑问句,变化规则就是直接把系动词be提前放在句首,第一个字母大写,句末用问号。当主语是第一人称时,要变成第二人称。把上面的句子变成一般疑问句:
Are you a worker?
Are you happy?
Are you a good student?
Is he a clever boy?
Were they in Great Nine last year?
be用作助动词:构成时态、语态、语气等
I am doing my homework.
He is playing football.
They were watching TV at nine last night.
English is taught in our school.
The classroom was cleaned yesterday.
在这些句子中,be都是助动词,在变成一般疑问句时,也是直接把助动词be提前放在句首,当主语是第一人称时要变成第二人称。把这些句子变成一般疑问句:
Ate you doing your homework?
Is he playing football?
Were they watching TV at nine last night?
Is English taught in your school?
Was the classroom cleaned yesterday?
所以当一个句子中只有系动词be时,变一般疑问句,直接把be提前放在句首。
当一个句子中只有助动词be而没有其它的助动词时,变一般疑问句,也是直接把be提前放在句首。
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