SN4 ""

No	Pattern	Freq
1	at the time [vb past]	107
2	at the [noun sg] had	103
3	at the [noun sg] said	53
4	at the [noun sg] did	44
5	at the door [vb past]	25
6	at the meeting [vb past]	21
7	at the hospital [vb past]	20
8	at the [noun sg] included	19
9	at the conference [vb past]	18
10	at the back [vb past]	18
11	at the [noun sg] told	16
12	at the [noun sg] seemed	16
13	at the table [vb past]	15
14	at the bottom [vb past]	12
15	at the [noun sg] made	12
16	at the school [vb past]	11
17	at the [noun sg] looked	11
18	at the top [vb past]	11
19	at the hotel [vb past]	10
20	at the scene [vb past]	10
21	at the [noun sg] gave	10
22	at the centre [vb past]	10
23	at the station [vb past]	10
24	at the end [vb past]	10
25	at the [noun sg] left	9
26	at the front [vb past]	9
27	at the [noun sg] came	9
28	at the [noun sg] stood	9
29	at the [noun sg] asked	8
30	at the [noun sg] went	8