SN4 ""

No	Pattern	Freq
1	at [pos pn] [noun prp]	487
2	at [Wh det] [noun prp]	205
3	at which [noun prp]	174
4	at which [noun prp]	174
5	at its [noun prp]	150
6	at its [noun prp]	150
7	at his [noun prp]	135
8	at his [noun prp]	135
9	at their [noun prp]	94
10	at their [noun prp]	94
11	at her [noun prp]	45
12	at her [noun prp]	45
13	at [pron] london	40
14	at our [noun prp]	38
15	at our [noun prp]	38
16	at what [noun prp]	30
17	at what [noun prp]	30
18	at [pers pn] [noun prp]	22
19	at your [noun prp]	12
20	at your [noun prp]	12
21	at my [noun prp]	12
22	at my [noun prp]	12
23	at [pron] mr	10
24	at it [noun prp]	7
25	at [pron] uk	7
26	at it [noun prp]	7
27	at [pron] cambridge	7
28	at i [noun prp]	6
29	at me [noun prp]	6
30	at [pron] chelsea	6