SN4 ""

No	Pattern	Freq
1	at the [adj] [noun sg] [noun] [conj]	188
2	at the [adj] [noun sg] [noun sg] [conj]	143
3	at the [adj] [noun sg] [verb] [conj]	79
4	at the [adj] [noun sg] [adv] [conj]	50
5	at the [adj] [noun sg] [adv] [conj]	47
6	at the [adj] [noun sg] [noun pl] [conj]	36
7	at the [adj] [noun sg] [conj] [conj]	32
8	at the [adj] [noun sg] [v-ing] [conj]	27
9	at the [adj] [noun sg] [coord] [conj]	25
10	at the [adj] [noun sg] [adj] [conj]	18
11	at the [adj] [noun sg] and [conj]	18
12	at the [adj] [noun sg] and [conj]	18
13	at the [adj] [noun sg] so [conj]	17
14	at the [adj] [noun sg] so [conj]	17
15	at the [adj] [noun sg] [adj] [conj]	16
16	at the [adj] [noun sg] [vb past] [conj]	12
17	at the [adj] [noun sg] [to-vb] [conj]	12
18	at the [adj] [noun sg] [vb -s] [conj]	12
19	at the [adj] [noun sg] [vb base] [conj]	11
20	at the [adj] [noun sg] ensure [conj]	9
21	at the [adj] [noun sg] [noun prp] [conj]	9
22	at the [adj] [noun sg] conference [conj]	8
23	at the [adj] [noun sg] conference [conj]	8
24	at the [adj] [noun sg] rather [conj]	7
25	at the [adj] [noun sg] rather [conj]	7
26	at the [adj] [noun sg] [unc] [conj]	7
27	at the [adj] [noun sg] level [conj]	6
28	at the [adj] [noun sg] as [conj]	6
29	at the [adj] [noun sg] as [conj]	6
30	at the [adj] [noun sg] [subord] [conj]	6