16 Ability is what you're capable of doing.
17 I'd had the training to suss out what he was up to.
18 There is an element of truth in what you say.
19 There's no truth/not aword of truth in what he says.
20 So much of what's on TV is pure dross.
21 A TV playback showed exactly what had happened.
22 I don't understand what you're trying to say.
23 I don't understand what he's saying.
24 I couldn't understand what he was mumbling about.
25 I can't understand what you mean.
26 Never put off until tomorrow what you can do today.
27 We knows not what is good until we have lost it.
28 Most of what they told us was pure fantasy.
29 Tell us exactly what happened and don't prevaricate.
30 No, what I meant was we need to use cheaper materials.