SN4 ""

No	Pattern	Freq
1	[art] two years they	5
2	[art] two years they	5
3	two years [conj] they	29
4	two years [subord] they	25
5	two years [adv] they	17
6	two years [adv] they	16
7	two years before they	9
8	two years before they	9
9	two years later they	8
10	two years later they	8
11	two years ago they	6
12	two years ago they	6
13	two years since they	5
14	two years after they	5
15	two years since they	5
16	two years after they	5
17	two years they [verb]	10
18	two years they [vb base]	6
19	two years they have	6