The present

The verb forms are the present, the past and the past participle.

think, thought, thought - myśleć

The present

Don't think too much.
Nie myśl za dużo.

The past

I thought about you yesterday.
Wczoraj o tobie pomyślałem.

The past participle

I have never thought about this.
Nigdy o tym nie pomyślałem.