SN4 ""

No	Pattern	Freq
1	[pron] have been members	13
2	[adj] have been members	10
3	[Wh pn] have been members	9
4	who have been members	7
5	[noun] have been members	7
6	who have been members	7
7	[num] have been members	6
8	[adv] have been members	5
9	[adv] have been members	5
10	have been [verb] members	7
11	have been [v-ing] members	5
12	have been members [prep]	41
13	have been members [prep]	41
14	have been members of	38
15	have been members of	38