SN4 ""

No	Pattern	Freq
1	[noun] have a history of	58
2	[pron] have a history of	37
3	[noun sg] have a history of	30
4	[noun pl] have a history of	19
5	[pers pn] have a history of	19
6	[Wh pn] have a history of	13
7	who have a history of	13
8	who have a history of	13
9	patient have a history of	10
10	[conj] have a history of	7
11	patients have a history of	7
12	he have a history of	7
13	[verb] have a history of	7
14	he have a history of	7
15	[noun prp] have a history of	6
16	[adv] have a history of	6
17	[coord] have a history of	5
18	have been a history of	7
19	have be a history of	7
20	have [vb pp] a history of	7
21	have [verb] a history of	7
22	have [been] a history of	7
23	have [be] a history of	7
24	have a [adj] history of	75
25	have a [adj] history of	75
26	have a long history of	52
27	have a long history of	52
28	have a [noun] history of	6
29	have a [noun sg] history of	6
30	have a family history of	5