-ing o to + infinitivo: depende del verbo, de la preposición o de la idea de finalidad.
-ing
- Sujeto: Swimming is healthy.
- Tras preposición: good at, interested in, without, look forward to
- enjoy, finish, mind, avoid, can’t stand, suggest, give up, keep
to + infinitivo
- want, decide, hope, plan, promise, refuse, agree, manage, afford
- Adjetivo + to · finalidad · too / enough + to · what to do
- Sin to: modales, make, let
Cambian de significado
- remember / forget: -ing (pasado vivido) · to (hacer algo)
- stop: -ing (dejar de) · to (parar para)
- try: -ing (probar) · to (intentar)
Errores frecuentes
- «I enjoy to swim» ✗ → I enjoy swimming.
- «I look forward to hear from you» ✗ → to hearing.
- «I went there for buy bread» ✗ → to buy bread.
