SN4 ""

No	Pattern	Freq
1	[verb] [to-vb] been at	23
2	[vb -s] [to-vb] been at	10
3	seem [to-vb] been at	8
4	[vb pp] [to-vb] been at	7
5	appear [to-vb] been at	6
6	seems [to-vb] been at	6
7	[adj] [to-vb] been at	6
8	[adj] [to-vb] been at	5
9	[to-vb] been [verb] at	65
10	[to-vb] been [vb pp] at	60
11	[to-vb] been [adj] at	16
12	[to-vb] been [adj] at	16
13	[to-vb] been [adv] at	6
14	[to-vb] been effected at	5
15	[to-vb] been present at	5
16	[to-vb] been present at	5
17	[to-vb] been [v-ing] at	5
18	[to-vb] been effect at	5
19	[to-vb] been at [art]	11
20	[to-vb] been at [art]	11
21	[to-vb] been at the	10
22	[to-vb] been at the	10
23	[to-vb] been at [adj]	7
24	[to-vb] been at [noun]	7
25	[to-vb] been at [adv]	5
26	[to-vb] been at least	5
27	[to-vb] been at least	5
28	[to-vb] been at [adv]	5
29	[to-vb] been at [noun sg]	5