thought
Here thought is the past tense of the irregular verb think. Follow the link below to find out more and to listen to some examples.
more information: think
felt
Here felt is the past tense of the irregular verb feel. Follow the link below to find out more and to listen to some examples.
more information: feel
choose
Choose is an irregular verb. Follow the link to find out its different past tense and past participle.
more information: choose