SN4 ""

No	Pattern	Freq
1	been [noun sg] [prep]	1130
2	been [noun] of	938
3	been [noun pl] [prep]	844
4	been [noun] in	307
5	been part [prep]	233
6	been part [prep]	232
7	been [noun] for	181
8	been [noun] to	124
9	been [noun] with	64
10	been [noun] on	64
11	been [noun] at	50
12	been member [prep]	49
13	been members [prep]	48
14	been [noun] about	48
15	been [noun] from	45
16	been president [prep]	37
17	been president [prep]	36
18	been [noun] by	35
19	been friend [prep]	34
20	been friends [prep]	34
21	been change [prep]	33
22	been chairman [prep]	33
23	been chairman [prep]	33
24	been [n mass] [prep]	32
25	been victim [prep]	32
26	been [noun] over	32
27	been victims [prep]	31
28	been sort [prep]	30
29	been sort [prep]	30
30	been reports [prep]	29