động từ có quy tắc:
- I played badminton yesterday.
- She visited her grandfather.
- He wanted to see a dolphin.
- We needed some tomatoes.
- They washed clothes an hour ago.
động từ bất quy tắc;
- Her mother made a cake last weekend.
- I ate a pizza.
- We found keys.
- They saw a dinosaur in the park yesterday.
- He had an accident.