State and action verbs rules

There are two kinds of verbs in English:
Activity verbs – describe activities and they can be used in simple and continuous tenses.
walk , talk, eat, drink…
State verbs – describe states and can only be used in simple tenses. They can’t be used in continuous tenses.
hate, understand, want…

State verbs:
Verbs related to activities of the mind:
admit, agree, believe, know, mean, prefer, realise, remember, think, understand, want
Verbs related to emotions:
adore, care, like, dislike, love, hate, hope
Having or being:
appear, be, belong, contain, have, include, need, seem, possess, own
Verbs related to senses:
feel, hear, look, see, smell, sound, taste…

Some state verbs can also refer to an activity. In this meaning they can be used in a continuous tense.
HAVE
We have a second-hand car. (have = it’s my car ☞ state)
We are having some tea. (have = drink ☞ activity)
THINK
I think it’s a great idea. (think = my opinion ☞ state)
I’m thinking about my exam. (think = a process of my thoughts ☞ activity)

Verbs related to senses can refer to actions, not a physical ability or sense.
The coffee smells great.
Martha is smelling the roses in her garden.
You look nice.
I am looking at you and smiling.
That soup tastes awful.
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