SN4 ""

No	Pattern	Freq
1	be [vb pp] at the [noun sg]	3368
2	[was/were] [vb pp] at the [noun sg]	1126
3	[be] [vb pp] at the [noun sg]	1024
4	be [vb pp] at the [noun sg]	1024
5	was [vb pp] at the [noun sg]	804
6	[be] [vb pp] at the end	452
7	[is] [vb pp] at the [noun sg]	399
8	is [vb pp] at the [noun sg]	384
9	been [vb pp] at the [noun sg]	360
10	[been] [vb pp] at the [noun sg]	360
11	were [vb pp] at the [noun sg]	322
12	[be] [vb pp] at the time	297
13	[am/are] [vb pp] at the [noun sg]	273
14	are [vb pp] at the [noun sg]	250
15	being [vb pp] at the [noun sg]	186
16	[being] [vb pp] at the [noun sg]	186
17	[be] held at the [noun sg]	141
18	[be] made at the [noun sg]	111
19	[be] [vb pp] at the beginning	109
20	[be] [vb pp] at the expense	89
21	[be] [vb pp] at the top	83
22	[be] found at the [noun sg]	76
23	[be] [vb pp] at the bottom	63
24	[be] [vb pp] at the outset	62
25	[be] displayed at the [noun sg]	57
26	[be] [vb pp] at the moment	56
27	[be] taken at the [noun sg]	55
28	[be] [vb pp] at the meeting	50
29	[be] given at the [noun sg]	49
30	[be] [vb pp] at the back	48