SN4 ""

No	Pattern	Freq
1	[verb] been at the [noun sg]	273
2	have been at the [noun sg]	273
3	[vb past] been at the [noun sg]	116
4	had been at the [noun sg]	106
5	[vb -s] been at the [noun sg]	78
6	has been at the [noun sg]	71
7	[vb base] been at the [noun sg]	50
8	have been at the [noun sg]	44
9	[verb] been at the forefront	33
10	[verb] been at the centre	24
11	have been at the [noun sg]	18
12	[vb infin] been at the [noun sg]	18
13	[verb] been at the heart	17
14	'd been at the [noun sg]	10
15	[verb] been at the school	10
16	[verb] been at the beginning	9
17	[verb] been at the scene	7
18	's been at the [noun sg]	7
19	[verb] been at the root	7
20	to have been at the [noun sg]	6
21	've been at the [noun sg]	6
22	[to-vb] been at the [noun sg]	6
23	[verb] been at the club	5
24	[verb] been at the hospital	5
25	[verb] been at the top	5
26	having been at the [noun sg]	5
27	[v-ing] been at the [noun sg]	5
28	[verb] been at the time	5
29	[verb] been at the start	5