Please chase the hens.否定句
chase the chicken.怎么改成否定句?
chase the dog.如何改成否定句?
Chase the chicken 改为否定句
Do not chase each other in the classroom.否定句保持意思不变
Please feed the birds.(否定句)
please open the window.改为否定句
Please close the window改为否定句
please open the window. 改为否定句
Stop the car,please.否定句
Please clean the blackboard的否定句
Open the window ,please.改为否定句
Bill,close the gate,please.(否定句)