SN4 ""

No	Pattern	Freq
1	[modal v] [adv] have seen	65
2	[vb mod] [adv] have seen	65
3	would [adv] have seen	20
4	would [adv] have seen	18
5	may [adv] have seen	17
6	may [adv] have seen	17
7	will [adv] have seen	10
8	will [adv] have seen	10
9	might [adv] have seen	8
10	might [adv] have seen	8
11	[adv] [adv] have seen	7
12	[not/n't] [adv] have seen	6
13	not [adv] have seen	6
14	[adv] [vb mod] have seen	10
15	[adv] [modal v] have seen	10
16	[adv] have seen [art]	21
17	[adv] have seen [art]	21
18	[adv] have seen [pron]	21
19	[adv] have seen [pers pn]	15
20	[adv] have seen the	11
21	[adv] have seen the	11
22	[adv] have seen [adj]	11
23	[adv] have seen a	10
24	[adv] have seen a	10
25	[adv] have seen [det]	10
26	[adv] have seen it	7
27	[adv] have seen [prep]	7
28	[adv] have seen it	7
29	[adv] have seen [prep]	7
30	[adv] have seen [noun]	6