SN4 ""

No	Pattern	Freq
1	[conj] at the [noun sg] [prep]	1649
2	[conj] at the [noun sg] of	1580
3	[coord] at the [noun sg] [prep]	1065
4	and at the [noun sg] [prep]	675
5	and at the [noun sg] [prep]	675
6	[conj] at the end [prep]	620
7	[subord] at the [noun sg] [prep]	360
8	but at the [noun sg] [prep]	279
9	but at the [noun sg] [prep]	279
10	[that] at the [noun sg] [prep]	224
11	that at the [noun sg] [prep]	224
12	that at the [noun sg] [prep]	224
13	[conj] at the time [prep]	150
14	or at the [noun sg] [prep]	108
15	or at the [noun sg] [prep]	108
16	[conj] at the beginning [prep]	103
17	[conj] at the age [prep]	78
18	as at the [noun sg] [prep]	58
19	as at the [noun sg] [prep]	58
20	than at the [noun sg] [prep]	58
21	than at the [noun sg] [prep]	58
22	because at the [noun sg] [prep]	54
23	because at the [noun sg] [prep]	54
24	if at the [noun sg] [prep]	49
25	if at the [noun sg] [prep]	49
26	[conj] at the level [prep]	40
27	[conj] at the cost [prep]	35
28	[conj] at the back [prep]	33
29	[conj] at the expense [prep]	31
30	[conj] at the heart [prep]	31