tennis court

I exercise.

私は運動します

I exercise on Saturday morning.

私は土曜日の朝に運動します

I exercise on Saturday morning with my friend.

私は土曜日の朝に友達と運動します

I exercise on Saturday morning with my friend at the tennis court in my neighborhood.

私は土曜日の朝に友達と近所の庭球場で運動します

I exercise for two hours on Saturday morning with my friend at the tennis court in my neighborhood.

私は土曜日の朝に友達と近所の庭球場で二時間運動します