SN4 ""

No	Pattern	Freq
1	[verb] for many years	362
2	[vb pp] for [det] years	263
3	[verb] for several years	124
4	[verb] for some years	106
5	have for [det] years	102
6	[vb past] for [det] years	98
7	[vb -s] for [det] years	56
8	[v-ing] for [det] years	54
9	[vb infin] for [det] years	46
10	has for [det] years	46
11	[vb base] for [det] years	42
12	work for [det] years	42
13	[to-vb] for [det] years	38
14	live for [det] years	31
15	had for [det] years	28
16	continue for [det] years	28
17	know for [det] years	24
18	known for [det] years	23
19	have for [det] years	22
20	use for [det] years	22
21	used for [det] years	21
22	worked for [det] years	19
23	last for [det] years	17
24	do for [det] years	16
25	worked for [det] years	15
26	done for [det] years	13
27	continue for [det] years	13
28	serve for [det] years	12
29	last for [det] years	11
30	lived for [det] years	11