SN4 ""

No	Pattern	Freq
1	at [noun prp] for [adj] [noun pl]	65
2	at [noun prp] for [num] [noun pl]	45
3	at [noun prp] for [adj] years	32
4	at [noun prp] for [det] [noun pl]	11
5	at [noun prp] for two [noun pl]	8
6	at [noun prp] for three [noun pl]	8
7	at [noun prp] for three [noun pl]	8
8	at [noun prp] for two [noun pl]	8
9	at [noun prp] for [adj] [noun pl]	7
10	at [noun prp] for [adj] months	7
11	at [noun prp] for some [noun pl]	5
12	at [noun prp] for [adj] weeks	5
13	at [noun prp] for ten [noun pl]	5
14	at [noun prp] for ten [noun pl]	5
15	at [noun prp] for some [noun pl]	5
16	at [noun prp] for [adj] days	5