SN4 ""

No	Pattern	Freq
1	be [vb pp] at the [det]	250
2	[be] [vb pp] at the [det]	250
3	[be] [vb pp] at the [det]	79
4	be [vb pp] at the [det]	79
5	[noun] [vb pp] at the [det]	77
6	[was/were] [vb pp] at the [det]	75
7	[noun sg] [vb pp] at the [det]	48
8	was [vb pp] at the [det]	40
9	were [vb pp] at the [det]	35
10	[adv] [vb pp] at the [det]	35
11	are [vb pp] at the [det]	31
12	[am/are] [vb pp] at the [det]	31
13	[verb] [vb pp] at the [det]	29
14	[adv] [vb pp] at the [det]	29
15	[is] [vb pp] at the [det]	27
16	[noun pl] [vb pp] at the [det]	27
17	is [vb pp] at the [det]	25
18	have [vb pp] at the [det]	24
19	[conj] [vb pp] at the [det]	23
20	being [vb pp] at the [det]	20
21	[being] [vb pp] at the [det]	20
22	[been] [vb pp] at the [det]	18
23	been [vb pp] at the [det]	18
24	[coord] [vb pp] at the [det]	15
25	and [vb pp] at the [det]	14
26	and [vb pp] at the [det]	14
27	[vb past] [vb pp] at the [det]	10
28	had [vb pp] at the [det]	9
29	[subord] [vb pp] at the [det]	8
30	[vb base] [vb pp] at the [det]	8