SN4 ""

No	Pattern	Freq
1	[adj] who had [adv] [verb]	111
2	[adj] who had [adv] [vb pp]	110
3	[det] who had [adv] [verb]	95
4	those who had [adv] [verb]	87
5	those who had [adv] [verb]	87
6	[adj] who had [adv] [verb]	84
7	[adj] who had not [verb]	27
8	[adj] who had [not/n't] [verb]	27
9	[adj] who had not [verb]	25
10	[adj] who had never [verb]	15
11	[adj] who had never [verb]	15
12	[adj] who had previously [verb]	11
13	[adj] who had previously [verb]	11
14	[num] who had [adv] [verb]	10
15	[adj] who had recently [verb]	8
16	[adj] who had recently [verb]	8
17	[adj] who had already [verb]	7
18	[adj] who had already [verb]	7
19	[adj] who had [adv] [verb]	6
20	[adj] who had [adv] have	5
21	[adj] who had [adv] had	5
22	[adj] who had just [verb]	5
23	[adj] who had just [verb]	5