増やす
I increase my exercise time.
私は運動時間を増やします
I increase my exercise time by thirty minutes a day.
私は一日三十分ずつ運動時間を増やします
I increase my exercise time by thirty minutes a day at the park.
私は公園で一日三十分ずつ運動時間を増やします
I increase my exercise time by thirty minutes a day at the park starting this month.
私は今月から公園で一日三十分ずつ運動時間を増やします
I increase my exercise time by thirty minutes a day at the park starting this month with my friend.
私は友人と今月から公園で一日三十分ずつ運動時間を増やします