Vyskytuje se v
zajímat: Zajímalo by mne, jestli ...I would like to know/I wonder if...
zvědavý: Jsem zvědavý, jestli to pošle.I wonder if he'll send it.
že: Že by mu to řekla ona?I wonder if it was her who told him.
vrtat: Vrtá mi hlavou, zda ...It makes me wonder if ..., již déle It's been niggling at the back of my mind ...