SN4 ""

No	Pattern	Freq
1	who had [adv]	2385
2	[Wh pn] had [adv]	1971
3	[Wh pn] had [not/n't]	456
4	[Wh pn] had not	456
5	[Wh pn] had not	371
6	[Wh pn] had just	217
7	[Wh pn] had just	217
8	[Wh pn] had never	214
9	[Wh pn] had never	214
10	[Wh pn] had already	175
11	[Wh pn] had already	175
12	[Wh pn] had previously	128
13	[Wh pn] had previously	128
14	[Wh pn] had also	102
15	[Wh pn] had also	102
16	[Wh pn] had once	94
17	[Wh pn] had once	94
18	[Wh pn] had recently	90
19	[Wh pn] had recently	90
20	[Wh pn] had n't	85
21	[Wh pn] had always	71
22	[Wh pn] had always	71
23	[Wh pn] had early	60
24	[Wh pn] had earlier	60
25	[Wh pn] had only	58
26	[Wh pn] had only	58
27	[Wh pn] had so	48
28	[Wh pn] had so	48
29	whom had [adv]	42
30	[Wh pn] had long	29