SN4 ""

No	Pattern	Freq
1	[adv prt] at [det] time	151
2	[adv prt] at this [noun sg]	136
3	[adv prt] at any [noun sg]	113
4	[adv prt] at that [noun sg]	100
5	up at [det] [noun sg]	98
6	in at [det] [noun sg]	92
7	out at [det] [noun sg]	76
8	[adv prt] at [det] stage	57
9	off at [det] [noun sg]	48
10	[adv prt] at some [noun sg]	43
11	[adv prt] at [det] moment	40
12	on at [det] [noun sg]	39
13	[adv prt] at [det] point	37
14	back at [det] [noun sg]	31
15	down at [det] [noun sg]	28
16	[adv prt] at half [noun sg]	23
17	[adv prt] at each [noun sg]	19
18	[adv prt] at [det] end	13
19	[adv prt] at [det] length	12
20	[adv prt] at [det] hour	10
21	around at [det] [noun sg]	10
22	about at [det] [noun sg]	9
23	round at [det] [noun sg]	8
24	[adv prt] at [det] minute	7
25	[adv prt] at either [noun sg]	7
26	[adv prt] at another [noun sg]	7
27	over at [det] [noun sg]	7
28	[adv prt] at [det] rate	6
29	[adv prt] at [det] level	6
30	[adv prt] at [det] price	6