feel + adjective
I feel great.
feel + adjective + for + noun/pronoun
I feel sorry for him.
feel + adjective + about + -ing form
I feel bad about postponing the party.
feel + clause
I feel I have to apologize.
feel + that + clause
I feel that I have to apologize.
feel + adjective + to + base form
It felt strange to see her again after so many years.
feel + like + noun
I felt like a complete idiot.