Travelling by

I goes to school by foot

I go to school on foot.

I go by school on foot.

I traveled on summer holidays.

I travel on summer holidays.

I'm travelling on summer holidays.

Yes, I can.

Yes, I like.

Yes, I do.

By bus

On bus

With bus

It takes me nearly half an hour.

It take me nearly half of an hour.

It takes I nearly a half an hour.