Esperanto-English translations for sendube

certainly
us
The accident was certainly caused by human errorThat was certainly sweet of himYou may certainly join us for dinner
indeed
us
Indeed, he made several misplaysYes, I do indeed look very similar to youAs a soccer player, he is terrible indeed

must
us
If it has rained all day, it must be very wet outside.You picked one of two, and it wasnt the first: it must have been the second.You must arrive in class on time. — the requirement is an imperative
no doubtNo doubt you can provide a better definition.
really
us
He really is a true friend." / "Really? What makes you so sure?But ma, I really, really want to go to the show!A: He won the Nobel Prize yesterday.