SN4 ""

No	Pattern	Freq
1	[adj] [noun] has often been	44
2	[adj] [noun] has often been	30
3	[art] [noun] has often been	20
4	[art] [noun] has often been	20
5	the [noun] has often been	18
6	the [noun] has often been	18
7	[conj] [noun] has often been	15
8	[prep] [noun] has often been	15
9	[prep] [noun] has often been	15
10	[noun] [noun] has often been	12
11	[det] [noun] has often been	11
12	[noun sg] [noun] has often been	9
13	[coord] [noun] has often been	9
14	of [noun] has often been	8
15	of [noun] has often been	8
16	and [noun] has often been	7
17	and [noun] has often been	7
18	this [noun] has often been	6
19	this [noun] has often been	6
20	[subord] [noun] has often been	5
21	[noun] [pron] has often been	17
22	[noun] [noun] has often been	12
23	[noun] [pers pn] has often been	8
24	[noun] [noun sg] has often been	7
25	[noun] [conj] has often been	7
26	[noun] which has often been	6
27	[noun] which has often been	6
28	[noun] it has often been	6
29	[noun] [Wh det] has often been	6
30	[noun] it has often been	6