SN4 ""

No	Pattern	Freq
1	[verb] if you have [been]	32
2	[adv] if you have [been]	27
3	[conj] if you have [been]	26
4	[adv] if you have [been]	26
5	[noun] if you have [been]	22
6	[noun sg] if you have [been]	18
7	[prep] if you have [been]	17
8	[prep] if you have [been]	17
9	[coord] if you have [been]	16
10	as if you have [been]	16
11	as if you have [been]	16
12	[vb infin] if you have [been]	13
13	even if you have [been]	10
14	even if you have [been]	10
15	[vb pp] if you have [been]	10
16	and if you have [been]	9
17	and if you have [been]	9
18	[adj] if you have [been]	8
19	do if you have [been]	5
20	that if you have [been]	5
21	but if you have [been]	5
22	[that] if you have [been]	5
23	[vb base] if you have [been]	5
24	[subord] if you have [been]	5
25	that if you have [been]	5
26	but if you have [been]	5
27	know if you have [been]	5
28	[adj] if you have [been]	5
29	know if you have [been]	5
30	if you 'd have [been]	8