SN4 ""

No	Pattern	Freq
1	has been [det] [noun sg]	351
2	have been some [noun sg]	315
3	had been [det] [noun sg]	190
4	have been [det] [noun sg]	181
5	have been little [noun sg]	112
6	have been much [noun sg]	100
7	have been any [noun sg]	95
8	have been that [noun sg]	65
9	's been [det] [noun sg]	63
10	have been another [noun sg]	53
11	have been this [noun sg]	39
12	to have been [det] [noun sg]	34
13	have been more [noun sg]	32
14	have been [det] [noun sg]	29
15	have been [det] discussion	28
16	have been [det] debate	26
17	have been [det] sort	23
18	'd been [det] [noun sg]	19
19	have been [det] way	18
20	have been all [noun sg]	17
21	have been [det] time	15
22	have been [det] kind	14
23	have been [det] doubt	14
24	have been [det] attempt	13
25	have been [det] research	12
26	have been [det] change	12
27	have been less [noun sg]	12
28	have been enough [noun sg]	11
29	have been [det] progress	10
30	have been [det] speculation	10