1) I don't know how to use this camera. - It's not difficult. I'll show you.
2) I've got a headache. - Have you? Wait a second. I'll an aspirin for you.
3) Why are you turning on the television? - I'll watch a film.
4) We won't spend our holiday abroad this year.
5) Have you send the agreement? - Oh, I'm sorry. I completely forgot. I'll do it now.