SN4 ""

No	Pattern	Freq
1	[verb] [been] on the [noun] for	79
2	have [been] on the [noun] for	79
3	[vb -s] [been] on the [noun] for	32
4	[vb past] [been] on the [noun] for	25
5	had [been] on the [noun] for	21
6	has [been] on the [noun] for	20
7	[vb base] [been] on the [noun] for	15
8	's [been] on the [noun] for	12
9	[adv] [been] on the [noun] for	9
10	've [been] on the [noun] for	8
11	have [been] on the [noun] for	7
12	[adv] [been] on the [noun] for	6
13	[been] [verb] on the [noun] for	26
14	[been] [v-ing] on the [noun] for	16
15	[been] work on the [noun] for	10
16	[been] working on the [noun] for	10
17	[been] [vb pp] on the [noun] for	10
18	[been] on the [noun sg] [noun] for	15
19	[been] on the [noun] [noun] for	15
20	[been] on the [noun] [noun] for	15
21	[been] on the [noun] [noun sg] for	13
22	[been] on the [noun] list for	5
23	[been] on the [noun] list for	5
24	[been] on the [noun] for [adj]	47
25	[been] on the [noun] for [num]	30
26	[been] on the [noun] for [adv]	21
27	[been] on the [noun] for [adv]	20
28	[been] on the [noun] for [det]	15
29	[been] on the [noun] for [noun]	12
30	[been] on the [noun] for [noun pl]	8