present simple - verb infinitive = I do...
past simple - verb past = I did...
future simple - will + verb infinitive = I will do...
present continuous - am / are / is & verbING = I am doing...
past continuous - was / were & verbING = I was doing...
future continuous - will + be & verbING = I will be doing...
present perfect simple - have / has & verb past participle = I have done...
past perfect simple - had & verb past participle = I had done...
future perfect simple - will + have & verb past participle = I will have done...
present perfect continuous - have/has + been* & verbING = I have been doing...
past perfect continuous - had + been* & verbING = I had been doing...
future perfect continuous - will + have + been* & verbING = I will have been doing...
*For future 'going to', go to Future simple / going to presentation.