Some verbs have a stative meaning and a different active meaning. Typical examples are:
be, depend, feel, have, measure, see, taste, think, weigh Jack is noisy. Jill is being noisy. Dana has a Porsche. We are having an interesting conversation! I think I like you! David is thinking about getting a new job. This fish tastes awful! I am just tasting the soup. I feel that you are wrong. I am feeling terrible. This bag weighs a ton! We are weighing the baby. It depends what you mean. I am depending on you.
1. Recently completed events, without a definite time given. The recentness may be indicated by just.
We've missed the turning. I've just seen a ghost! 2. Indefinite events, which happened at an unknown time in the past. No definite time is given.
Jim has had three car accidents. (up to the present) 3. Indefinite events which may have an obvious result in the present
I've twisted my ankle, (that's why I'm limping) 4. Personal experiences with state verbs, a state that lasts up to the present or has happened.
I've lived here for the past ten years. I have learnt a lot this year.
5. Contrasts with the past simple The Past simple is used with time expressions, which refer to definite times. The time may be stated or understood. I’ve bought a new car. (indefinite) I bought a new car last week. (definite) I bought the car after all. (implied definite: the car we talked about)