SN4 ""

No	Pattern	Freq
1	[adv prt] at a [adj] [noun sg]	231
2	[adv prt] at a [adj] [noun]	202
3	up at a [adj] [noun]	52
4	[adv prt] at an [adj] [noun]	47
5	out at a [adj] [noun]	44
6	off at a [adj] [noun]	41
7	in at a [adj] [noun]	28
8	[adv prt] at a [adj] pace	26
9	[adv prt] at a [adj] pace	26
10	[adv prt] at a [adj] rate	22
11	[adv prt] at a [adj] rate	22
12	down at a [adj] [noun]	21
13	[adv prt] at a [adj] time	19
14	[adv prt] at a [adj] time	19
15	back at a [adj] [noun]	17
16	[adv prt] at a [adj] angle	15
17	[adv prt] at a [adj] angle	15
18	on at a [adj] [noun]	13
19	[adv prt] at a early [noun]	13
20	[adv prt] at a [adj] stage	12
21	along at a [adj] [noun]	12
22	[adv prt] at a [adj] stage	12
23	over at a [adj] [noun]	11
24	[adv prt] at a [adj] [n mass]	11
25	[adv prt] at a steady [noun]	9
26	[adv prt] at a certain [noun]	8
27	[adv prt] at a [adj] moment	7
28	[adv prt] at a [adj] level	7
29	[adv prt] at a [adj] moment	7
30	[adv prt] at a [adj] level	7