1.怎么缩写英语句子2.例如It is my pen 怎么缩

1.怎么缩写英语句子2.例如It is my pen 怎么缩 英语句子补充1.My bag is______2What colour is your pen?It`s ______3 怎么解释这种类型句子学生才能明白?希望英语高手赐教.例如 Is this a pen is this my pen and that pen your is 怎么连成句子? 英语句子怎么缩写You are my time这个句子怎么缩写 英语句子中有插入语,怎么作肯定或者否定回答?例如：Do you think it is right? 缩写英语短文My name is Mary.Let's be email pen-friends.My hobbies 回答：My jacket is red and white.提问应该怎么提?It is a red pen.(改为否定句 It is _____. A.pen B.my a pen C.a my pen D.my pen It is a pen.变为一般疑问句怎么变? 那：it is a pen怎么改成复数形式 英语pen怎么读?