1. Presente simple: I eat (yo como)
2. Pasado simple: I ate (yo comí)
3. Futuro simple: I will eat (yo comeré)
4. Presente continuo: I am eating (yo estoy comiendo)
5. Pasado continuo: I was eating (yo estaba comiendo)
6. Futuro continuo: I will be eating (yo estaré comiendo)
7. Presente perfecto: I have eaten (yo he comido)
8. Pasado perfecto: I had eaten (yo había comido)
9. Futuro perfecto: I will have eaten (yo habré comido)
10. Presente perfecto continuo: I have been eating (yo he estado comiendo)
11. Pasado perfecto continuo: I had been eating (yo había estado comiendo)
12. Futuro perfecto continuo: I will have been eating (yo habré estado comiendo)