SN4 ""

No	Pattern	Freq
1	[pers pn] have discovered	406
2	[pron] had discovered	213
3	i have discovered	106
4	i have discovered	106
5	[pron] have discovered	102
6	he have discovered	96
7	he have discovered	96
8	she have discovered	68
9	she have discovered	68
10	[pron] 've discovered	59
11	we have discovered	50
12	they have discovered	49
13	we have discovered	49
14	they have discovered	48
15	[pron] 'd discovered	38
16	[pron] has discovered	26
17	you have discovered	25
18	you have discovered	25
19	who have discovered	22
20	who have discovered	22
21	[Wh pn] have discovered	22
22	it have discovered	12
23	it have discovered	12
24	[indef pn] have discovered	7
25	which have discovered	5
26	[Wh det] have discovered	5
27	which have discovered	5