SN4 ""

No	Pattern	Freq
1	who have [adv] [vb pp]	2603
2	who had [adv] [verb]	1357
3	who has [adv] [verb]	594
4	who have [adv] [verb]	581
5	who have just [verb]	436
6	who have already [verb]	315
7	who have never [verb]	312
8	who have recently [verb]	156
9	who have [adv] had	131
10	who have [adv] have	131
11	who have previously [verb]	105
12	who have also [verb]	102
13	who have ever [verb]	94
14	who have always [verb]	85
15	who have now [verb]	74
16	who 'd [adv] [verb]	72
17	who have [adv] [to-vb]	66
18	who 've [adv] [verb]	65
19	who 's [adv] [verb]	63
20	who have once [verb]	59
21	who have [adv] come	55
22	who have [adv] take	55
23	who have [adv] [vb base]	55
24	who have [adv] taken	53
25	who have [adv] come	53
26	who have since [verb]	50
27	who have earlier [verb]	48
28	who have [adv] make	46
29	who have [adv] see	46
30	who have [adv] seen	45