16 He did argue in a general way that the president can't be trusted.
17 He looked crestfallen at their decision, but did not argue.
18 Jon disagreed, but did not feel disposed to argue.
19 They did arrive together, but I think they left separately.
20 The hoped-for economic recovery in Britain did not arrive.
21 Frank Lloyd Wright did not call himself an artist.
22 The low salary did not dispose him to accept the position.
23 He did not attend the meeting yesterday.
24 The medicine did not achieve the desired effect.
25 The airport did not become operational until May.
26 We prayed and did penance together.
27 Each person did his bit toward getting the meal on the table.
28 If the Europeans did not reduce subsidies, a trade war would ensue.
29 He admitted he did not hold to the traditional view of God.
30 She did six months' hard training before the marathon.