1, giving - give
2, when - since
3, did you do - were you doing
4, was cooking - cooked
5, saw - have seen
6, has already left - had already left
7, recovering- to recover
8, taking off - to take off
9, going out - to go out
10, buying - buy
11, to use - use
12, to check - checking
13, to smoke - smoking
14, didn’t speak - hadn’t spoken
15, will have - would have
16, had been - were
17, didn’t say - hadn’t said
18, we can - we could
19, am - were
20, knew - had known
21, not missed - hadn’t missed
22, checking- checked
23, has sent - has been sent
24, came - come
25, had gone - went
26, up - off
27, off - up
28, turn to - turned to
29, show of - show off
30, off - of
