SN4 ""

No	Pattern	Freq
1	at a [adj -er]	1227
2	at [art] later	558
3	at the [adj -er]	516
4	at [art] lower	397
5	at [art] higher	276
6	at [art] earlier	165
7	at an [adj -er]	148
8	at [art] faster	49
9	at [art] slower	47
10	at [art] further	42
11	at [art] younger	34
12	at [art] wider	31
13	at [art] better	30
14	at [art] deeper	30
15	at [art] smaller	26
16	at [art] greater	19
17	at [art] worse	18
18	at [art] older	16
19	at [art] larger	16
20	at [art] cheaper	15
21	at [art] bigger	10
22	at [art] shorter	9
23	at [art] longer	7
24	at no [adj -er]	7
25	at [art] broader	6
26	at [art] humbler	5
27	at [art] simpler	5