do not swim, does not swim
もし食事したばかりなら泳がない方がいいですよ。
If you've just eaten, it's better not to swim.
毎日は泳がないよ。
I don't swim every day.
泳がないの?
Aren’t you going to swim?
彼はそこで泳がないように言った。
He told me not to swim there.
トムは明日泳がないと思うよ。
I don't think Tom will swim tomorrow.
先生は彼らに川で泳がないようにと言った。
The teacher told them not to swim in the river.
トムは泳がないってさ。
I hear Tom doesn't swim.
夜は泳がないんだ。
I don't swim at night.