A. adjective + noun
adjective + noun (nice day / blue eyes etc.)
• It's a nice day today.
• Laura has got brown eyes.
• There's a very old bridge in this village.
• Do you like Italian food?
• I don't speak any foreign languages.
• There are some beautiful yellow flowers in the garden.
The adjective is before the noun:
• They live in a modern house. (not 'a house modern')
• Have you met any famous people? (not 'people famous')
The ending of an adjective is always the same:
• a different place (not 'differents')
B. be (am/is/was etc.) + adjective
The weather is nice today.
I'm hungry. Can I have something to eat?
• The weather is nice today.
• These flowers are very beautiful.
• Are you cold? Shall I close the window?
• I'm hungry. Can I have something to eat?
• The film wasn't very good. It was boring.
• Please be quiet. I'm reading.
C. look/feel/smell/taste/sound + adjective
You look tired.
It smells good.
• You look tired. / 'Yes, I feel tired.'
• George told me about his new job. It sounds very interesting.
• Don't cook that meat. It doesn't smell good.
Compare:
He is tired.
He feels tired.
They are American.
They look American.
It is good.
It smells good.
It tastes good.
Adjective + noun
a nice day → blue eyes
an old bridge → foreign languages
be + adjective
The weather is nice. → I'm hungry.
The film was boring. → Please be quiet.
look/feel/smell/taste/sound + adjective
You look tired. → I feel tired.
It smells good. → It tastes good.