SN4 ""

No	Pattern	Freq
1	[noun] at the [noun] [vb past]	529
2	[noun sg] at the [noun] [vb past]	326
3	[noun pl] at the [noun] [vb past]	158
4	[verb] at the [noun] [vb past]	99
5	[pron] at the [noun] [vb past]	51
6	[vb pp] at the [noun] [vb past]	40
7	[adv] at the [noun] [vb past]	35
8	[n mass] at the [noun] [vb past]	28
9	[adj] at the [noun] [vb past]	26
10	[vb past] at the [noun] [vb past]	25
11	[Wh det] at the [noun] [vb past]	23
12	[adv] at the [noun] [vb past]	22
13	man at the [noun] [vb past]	22
14	[v-ing] at the [noun] [vb past]	21
15	which at the [noun] [vb past]	21
16	which at the [noun] [vb past]	21
17	[conj] at the [noun] [vb past]	20
18	staff at the [noun] [vb past]	18
19	staff at the [noun] [vb past]	18
20	[noun prp] at the [noun] [vb past]	17
21	man at the [noun] [vb past]	16
22	[indef pn] at the [noun] [vb past]	16
23	[adj] at the [noun] [vb past]	15
24	[coord] at the [noun] [vb past]	13
25	look at the [noun] [vb past]	13
26	[adv prt] at the [noun] [vb past]	13
27	and at the [noun] [vb past]	11
28	and at the [noun] [vb past]	11
29	speaker at the [noun] [vb past]	10
30	officer at the [noun] [vb past]	9