Think

pensar/creer

I think of you / Pienso en ti
I think about the next tournament / Pienso en el próximo torneo
I think that this is not fair / Creo que esto no es justo

Verbo	Simple present	Simple past	Present perfect
to think [of something] [about something]	think	thought	have thought

think of es un pensamiento fugaz, sin profundizar en ello. Think about es un pensamiento en el que se evaluan pros y contras del tema

ver reckon (considerar)

equivalente en alemán