SN4 ""

No	Pattern	Freq
1	[adv] a year before [pers pn]	13
2	[adv] a year before [pers pn]	13
3	[prep] a year before [pers pn]	7
4	[prep] a year before [pers pn]	7
5	about a year before [pers pn]	6
6	about a year before [pers pn]	6
7	for a year before [pers pn]	5
8	for a year before [pers pn]	5
9	[verb] a year before [pers pn]	5
10	a [adj] year before [pers pn]	13
11	a [det] year before [pers pn]	7
12	a [adj] year before [pers pn]	5
13	a year before [pers pn] [verb]	23
14	a year before [pers pn] [vb past]	16
15	a year before [pers pn] [be]	7
16	a year before [pers pn] be	7
17	a year before [pers pn] [vb base]	6
18	a year before [pers pn] [was/were]	5
19	a year before [pers pn] was	5