SN4 ""

No	Pattern	Freq
1	[be] [vb pp] at the [adj]	896
2	be [vb pp] at the [adj]	896
3	[was/were] [vb pp] at the [adj]	305
4	[be] [vb pp] at the [adj]	283
5	be [vb pp] at the [adj]	283
6	was [vb pp] at the [adj]	223
7	[is] [vb pp] at the [adj]	114
8	is [vb pp] at the [adj]	110
9	[been] [vb pp] at the [adj]	86
10	been [vb pp] at the [adj]	86
11	were [vb pp] at the [adj]	82
12	[am/are] [vb pp] at the [adj]	60
13	are [vb pp] at the [adj]	59
14	[be] held at the [adj]	54
15	[be] [vb pp] at the royal	52
16	being [vb pp] at the [adj]	48
17	[being] [vb pp] at the [adj]	48
18	[be] [vb pp] at the local	35
19	[be] aimed at the [adj]	33
20	[be] [vb pp] at the old	32
21	[be] educated at the [adj]	31
22	[be] seen at the [adj]	28
23	[be] [vb pp] at the national	27
24	[be] [vb pp] at the annual	24
25	[be] [vb pp] at the very	20
26	[be] made at the [adj]	20
27	[be] [vb pp] at the appropriate	18
28	[be] [vb pp] at the other	17
29	[be] [vb pp] at the new	17
30	[be] directed at the [adj]	15