SN4 ""

No	Pattern	Freq
1	[be] [verb] for four years	37
2	be [verb] for four years	37
3	was [verb] for four years	16
4	[was/were] [verb] for four years	16
5	[noun] [verb] for four years	12
6	been [verb] for four years	9
7	[been] [verb] for four years	9
8	[noun sg] [verb] for four years	8
9	[pron] [verb] for four years	7
10	[verb] [verb] for four years	7
11	[adv] [verb] for four years	6
12	[pers pn] [verb] for four years	5
13	have [verb] for four years	5
14	be [verb] for four years	5
15	[be] [verb] for four years	5
16	[am/are] [verb] for four years	5
17	[verb] [adv] for four years	15
18	[verb] [pron] for four years	12
19	[verb] [pers pn] for four years	11
20	[verb] [adv] for four years	10
21	[verb] [verb] for four years	7
22	[verb] it for four years	6
23	[verb] it for four years	6
24	[verb] [adv prt] for four years	5
25	[verb] [vb pp] for four years	5
26	[verb] [noun] for four years	5
27	[verb] [adj] for four years	5
28	[verb] on for four years	5
29	[verb] on for four years	5
30	[verb] for [adv] four years	9