The students are sitting in the classroom , , I am learning about frogs in science this week , , He is going to a party at the weekend , , The teacher is talking at the moment , , He is using a calculator , , They are running in the playground , , I am trying to do the exercise , , The lift is going up , , Helen is writing a story , , We are jogging in the park , , You are opening your books , , Tim is dancing in the classroom , , The students are going home , , You are studying hard , Mary, , Cathy and I are doing an experiment, , I am writing down the information, , The bus is coming now, , Alex and Tina , you are listening carefully , , My sister is studying history , .

Present Continuous

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