①They are planting trees.(对划线部分提问 划线trees) ②She
cuts the cake.(现在进行时)
③The students are having a maths exam.(一般疑问句)
④The students are working hard.(对划线部分提问 划线hard)
⑤He does his homework at four.(用now改写)
⑥The students are cleaning the room now.(对划线部分提问 划线cleaning the room)
⑦Peter and Bob read books in the classroom.(现在进行时)
⑧The girls are singing and dancing.(对划线部分提问 划线singing and dancing)
⑨They learn English in the evening.(现在进行时态)
①The girls are singing and dancing.(否定句)
②Her father has breakfast in the morning.(用now改写)
③They don't enjoy themselves.(用now改写)
①The girls aren't singing or dancing.
②Her father is having breakfast now.
③They aren't enjoying themselves now.