You study at school five days a week. Present Simple
You studied at school yesterday. Past Simple
You will study at school tomorrow. Future Simple
You are studying at school right now. Present Continuous
You were studying at school the whole afternoon yesterday. Past Continuous
You have already studied at school. Present Perfect
You had studied at school by 12 o'clock. Past Perfect
You have been studying at school for 5 hours. Present Perfect Continuous
They swim every summer. Present Simple
They swam last summer. Past Simple
They will swim next summer. Future Simple
They are swimming right now. Present Continuous
They were swimming the whole afternoon yesterday. Past Continuous
They have already swum. Present Perfect
They had swum by the time I came. Past Perfect
They have been swimming for 20 minutes. Present Perfect Continuous
He rides a bike every day. Present Simple
He rode a bike yesterday. Past Simple
He will ride a bike next week. Future Simple
He is riding a bike at the moment . Present Continuous
He was riding a bike from 3 to 5 yesterday. Past Continuous
He has already ridden a bike. Present Perfect
He had ridden a bike by 5 o'clock. Past Perfect
He has been riding a bike for 2 hours. Present Perfect Continuous