SN4 ""

No	Pattern	Freq
1	[noun] after two years	51
2	[noun sg] after two years	33
3	[verb] after two years	26
4	[conj] after two years	20
5	[vb pp] after two years	17
6	[adj] after two years	16
7	[coord] after two years	13
8	[noun prp] after two years	12
9	[adj] after two years	8
10	[adv] after two years	8
11	and after two years	7
12	that after two years	7
13	that after two years	7
14	[num] after two years	7
15	and after two years	7
16	[that] after two years	7
17	but after two years	6
18	[vb past] after two years	6
19	[adv] after two years	6
20	but after two years	6
21	after [adv] two years	14
22	after [adv] two years	14
23	after [adj] two years	8
24	after [verb] two years	8
25	after [v-ing] two years	8
26	after [num] two years	6
27	after two [adj] years	11
28	after two [adj] years	7
29	after two years [prep]	103
30	after two years [prep]	103