I often take photos. I'm taking photo right now. Yesterday I took many photos.
I teach pupils every day. I'm teaching my daughter right now. I taught my brother how to ride a bike yesterday.
I don't tell secrets to anyone. I'm telling you how to write essays right now. I told my mum that I don't feel good.
I think you should visit a doctor. I'm thinking about birthday party now. I thought about school two hours ago