SN4 ""

No	Pattern	Freq
1	[adv prt] at a [adj] [noun]	286
2	[adv prt] at a [adj] [noun sg]	261
3	[adv prt] at a [adj] [noun]	249
4	[adv prt] at a [adj] [noun]	238
5	up at a [adj] [noun]	55
6	out at a [adj] [noun]	52
7	[adv prt] at an [adj] [noun]	48
8	off at a [adj] [noun]	46
9	in at a [adj] [noun]	33
10	[adv prt] at a [adj -er] [noun]	29
11	[adv prt] at a [adj] pace	27
12	[adv prt] at a [adj] pace	27
13	[adv prt] at a [adj] rate	26
14	[adv prt] at a [adj] rate	26
15	down at a [adj] [noun]	24
16	back at a [adj] [noun]	21
17	[adv prt] at a [adj] time	20
18	[adv prt] at a [adj] time	20
19	on at a [adj] [noun]	17
20	[adv prt] at a [adj] stage	17
21	[adv prt] at a [adj] stage	17
22	[adv prt] at a later [noun]	15
23	[adv prt] at a late [noun]	15
24	[adv prt] at a [adj] angle	15
25	[adv prt] at a [adj] angle	15
26	[adv prt] at a early [noun]	14
27	along at a [adj] [noun]	13
28	over at a [adj] [noun]	13
29	[adv prt] at a early [noun]	13
30	[adv prt] at a [adj] level	11