SN4 ""

No	Pattern	Freq
1	[verb] been at [det] [noun]	41
2	have been at [det] [noun]	41
3	[vb infin] been at [det] [noun]	12
4	[vb past] been at [det] [noun]	12
5	have been at [det] [noun]	12
6	had been at [det] [noun]	10
7	have been at [det] [noun]	9
8	[vb base] been at [det] [noun]	9
9	been [verb] at [det] [noun]	109
10	been [vb pp] at [det] [noun]	95
11	been [adj] at [det] [noun]	14
12	been [adj] at [det] [noun]	13
13	been [v-ing] at [det] [noun]	13
14	been look at [det] [noun]	7
15	been make at [det] [noun]	6
16	been made at [det] [noun]	5
17	been looking at [det] [noun]	5
18	been at [noun sg] [det] [noun]	8
19	been at [noun] [det] [noun]	8
20	been at [art] [det] [noun]	7
21	been at [art] [det] [noun]	7
22	been at the [det] [noun]	7
23	been at the [det] [noun]	7
24	been at work [det] [noun]	5
25	been at work [det] [noun]	5
26	been at [pron] [det] [noun]	5
27	been at [det] [adj] [noun]	7
28	been at [det] [noun] [prep]	12
29	been at [det] [noun] [prep]	12
30	been at [det] [noun] [verb]	5