SN4 ""

No	Pattern	Freq
1	be [verb] prior to the	56
2	[be] [verb] prior to the	56
3	[noun] [verb] prior to the	43
4	[noun sg] [verb] prior to the	24
5	[be] [verb] prior to the	20
6	be [verb] prior to the	20
7	[was/were] [verb] prior to the	17
8	[noun pl] [verb] prior to the	17
9	[adv] [verb] prior to the	15
10	been [verb] prior to the	13
11	[been] [verb] prior to the	13
12	[adv] [verb] prior to the	11
13	[pron] [verb] prior to the	10
14	[pers pn] [verb] prior to the	9
15	was [verb] prior to the	9
16	[conj] [verb] prior to the	8
17	[verb] [verb] prior to the	8
18	were [verb] prior to the	8
19	have [verb] prior to the	7
20	[vb past] [verb] prior to the	6
21	[coord] [verb] prior to the	6
22	had [verb] prior to the	5
23	[verb] [noun] prior to the	20
24	[verb] [adv] prior to the	16
25	[verb] [noun sg] prior to the	14
26	[verb] [conj] prior to the	10
27	[verb] [adv prt] prior to the	9
28	[verb] that prior to the	8
29	[verb] [that] prior to the	8
30	[verb] that prior to the	8