SN4 ""

No	Pattern	Freq
1	[noun] [verb] at a [adj] and	11
2	[noun sg] [verb] at a [adj] and	10
3	be [verb] at a [adj] and	9
4	[be] [verb] at a [adj] and	9
5	[det] [verb] at a [adj] and	8
6	[adj] [verb] at a [adj] and	8
7	all [verb] at a [adj] and	7
8	all [verb] at a [adj] and	7
9	[verb] [adv] at a [adj] and	8
10	[verb] [adv] at a [adj] and	7
11	[verb] then at a [adj] and	6
12	[verb] then at a [adj] and	6
13	[verb] at [adv] a [adj] and	7
14	[verb] at [adv] a [adj] and	7
15	[verb] at a [adj] [adj] and	5
16	[verb] at a [adj] [noun] and	116
17	[verb] at a [adj] [noun sg] and	114
18	[verb] at a [adj] rate and	13
19	[verb] at a [adj] rate and	13
20	[verb] at a [adj] pace and	11
21	[verb] at a [adj] pace and	11
22	[verb] at a [adj] level and	10
23	[verb] at a [adj] level and	10
24	[verb] at a [adj] date and	6
25	[verb] at a [adj] speed and	6
26	[verb] at a [adj] speed and	6
27	[verb] at a [adj] date and	6
28	[verb] at a [adj] [adj] and	5
29	[verb] at a [adj] age and	5
30	[verb] at a [adj] age and	5