SN4 ""

No	Pattern	Freq
1	[verb] if they have [vb pp]	119
2	[noun] if they have [vb pp]	103
3	[adv] if they have [vb pp]	91
4	[prep] if they have [vb pp]	85
5	[prep] if they have [vb pp]	85
6	[adv] if they have [vb pp]	82
7	as if they have [vb pp]	81
8	as if they have [vb pp]	81
9	[conj] if they have [vb pp]	80
10	[noun sg] if they have [vb pp]	67
11	[coord] if they have [vb pp]	44
12	[vb base] if they have [vb pp]	38
13	even if they have [vb pp]	37
14	even if they have [vb pp]	37
15	[adj] if they have [vb pp]	33
16	see if they have [vb pp]	31
17	and if they have [vb pp]	29
18	and if they have [vb pp]	29
19	[noun pl] if they have [vb pp]	29
20	[vb infin] if they have [vb pp]	25
21	[subord] if they have [vb pp]	25
22	[vb pp] if they have [vb pp]	22
23	[to-vb] if they have [vb pp]	21
24	[adj] if they have [vb pp]	20
25	[pron] if they have [vb pp]	19
26	wonder if they have [vb pp]	16
27	see if they have [vb pp]	15
28	ask if they have [vb pp]	15
29	[pers pn] if they have [vb pp]	14
30	know if they have [vb pp]	12