Grammatical Tenses Present tenses I sell iPods simple I am selling iPods continuous I have sold iPods perfect I have been selling iPods perfect continuous I will sell iPods future simple I will be selling iPods future continuous I will have sold iPods future perfect Passive iPods are sold simple iPods are being sold continuous iPods have been sold perfect iPods will be sold future simple iPods will have been sold future perfect Past tenses I sold iPods simple I was selling iPods continuous I had sold iPods perfect I had been selling iPods perfect continuous I would sell iPods future simple I would be selling iPods future continuous I would have sold iPods future perfect Passive voice iPods were sold simple iPods were being sold continuous iPods had been sold perfect iPods would be sold future simple iPods would have been sold future perfect