... not + VingHe, She, It + is + not + VingWe, You, They + are + not + Ving Bài 1: Chuy n nh ng câu sang sang ph nh và nghi v nI am watering in the garden.……………………………………………………………………………………… ... are riding bikes to school.……………………………………………………………………………………… ……………………………………………………………………………………… Bài 2: Chia n g t thích h p1. John (not/read) ________________________________________________ ... + Ving(Wh-) + am + I + Ving(Wh-) + is + He, She, It + Ving(Wh-) + are + We, You, They + Ving Bài 1: Chia n g t thích h p...