no puedo evitar pensar

I can't help thinking

→ no
phrase Rare #37,479
I can't help thinking Often followed by que (“that”) or en (“about”).
SP: No puedo evitar pensar en lo que pasará mañana.
EN: I can't help thinking about what will happen tomorrow.

No puedo evitar pensar que mi hijo está aún vivo.

I can't help but think that my son is still alive.

No puedo evitar pensar así.

I can't help but think that way.

No puedo evitar pensar que mi padre sigue con vida.

I can't help thinking that my father is still alive.

No puedo evitar pensar en el futuro.

I can't help thinking about the future.

Sin embargo, no puedo evitar pensar en el amigo que he dejado atrás.

However, I can't help but think about the friend I've left behind.

— Viaje a las estrellas II: La ira de Khan (1982)

No puedo evitar pensar.

I can't help thinking.

No puedo evitar pensar en lo que dijo anoche.

I can't help but think about what he said last night.