SN4 ""

No	Pattern	Freq
1	[noun] at the [noun sg] [vb past]	446
2	[noun sg] at the [noun] [vb past]	326
3	[noun pl] at the [noun] [vb past]	158
4	[noun] at the [noun] had	87
5	[noun] at the [noun prp] [vb past]	54
6	[noun] at the time [vb past]	50
7	[noun] at the time [vb past]	50
8	[noun] at the [noun] said	46
9	[n mass] at the [noun] [vb past]	28
10	[noun] at the [noun pl] [vb past]	28
11	[noun] at the [noun] did	23
12	[noun] at the door [vb past]	22
13	man at the [noun] [vb past]	22
14	[noun] at the door [vb past]	22
15	[noun] at the hospital [vb past]	19
16	[noun] at the hospital [vb past]	19
17	staff at the [noun] [vb past]	18
18	staff at the [noun] [vb past]	18
19	[noun prp] at the [noun] [vb past]	17
20	[noun] at the [noun] told	16
21	man at the [noun] [vb past]	16
22	[noun] at the conference [vb past]	15
23	[noun] at the conference [vb past]	15
24	[noun] at the [noun] included	14
25	[noun] at the back [vb past]	13
26	[noun] at the back [vb past]	13
27	[noun] at the school [vb past]	11
28	[noun] at the school [vb past]	11
29	[noun] at the meeting [vb past]	10
30	speaker at the [noun] [vb past]	10