This is a pen ,That is her book怎么改成否定句 These are my sisters怎麼改成疑问和否定句

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Thisisapen,Thatisherbook怎么改成否定句Thesearemysisters怎麼改成疑问和否定句Thisisapen,Thatisherbook怎么改成否定句Thesearemys

This is a pen ,That is her book怎么改成否定句 These are my sisters怎麼改成疑问和否定句
This is a pen ,That is her book怎么改成否定句 These are my sisters怎麼改成疑问和否定句

This is a pen ,That is her book怎么改成否定句 These are my sisters怎麼改成疑问和否定句
1.This is not a pen.
2.Thatis not her book.
3.Are these my sisters?
There are not my sisters.
把陈述句改成否定句只要在动词后加上not；
把陈述句改成疑问句,如果句子中有be动词,只要把be动词提前,没有be动词的加助动词do/does（单数）放在句子开头

This isn't a pen.
That isn't her book.
Are these my sister's?
These aren't my sister's.
变否定句有be动词和情态动词的直接在be动词和情态动词后面+not
没有的+do/does再+not
变疑问句有be动词和情态动词的直接提前be动词和情态动词，没有的在前面+do/does

This is not a pen.
That is not her book.
Are these my sisters?
These are not my sisters.

This isn't a pen. That isn't her book.
Who're these？ These aren't my sisters.
请采纳.

This not your pen

This a pen.that is a pen,什么 what is that in English?是It is a pen还是This si a pen还是That is a pen Is __ your pen A.that B.this C.her D.his.That is his pen. that is a pen this is a red pen.and that is a green pen.（改为同义句） this is a red pen.and that is a___ ___. A:that's your pen.___ is my pen B:Do you __ this is interesting? this is a my pen This is a nice pen. Is __ your pen ?That is his pen. A.that B.this C.her D.his.可以告诉我为什么?谢谢 This pen is 20 yuan.That pen is 200 yuan.= This pen is much less expensive than that pen. what's_?__a pen ?a 、this;this is b 、this;it's c 、 that;that's d、 that' This is a pen.(this)are pencily It is clear that this is a pen?有语法错误么关键是 this is a pen是否够资格做that的从句 This is a pen and that’s an eraser.可不可以写成This is a pen and that is an eraser.呢? This pen is ________and that is ________ pen.A.mine,hers B.my,her C.my,hers D.mine,her This is a pen and that is a knife改为复数形式怎样改错啊 This is a key,that is a pen Is （）your pen?No,（）isn't.it's（）pen A.this.this.hIs （）your pen?No,（）isn't.it's（）penA.this.this.hisB.this.it.hisC.this.it.myD.that.that.his