Usages of pensi
Mi longe pensas pri bona donaco, ĉar por mi ŝia naskiĝtago estas tre grava.
I think for a long time about a good present, because for me her birthday is very important.
Se mi havus pli da tempo, mi pensus pri pli bona donaco.
If I had more time, I would think about a better present.
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