| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years i | 11 |
|
| 2 | [prep] three years i | 11 |
|
| 3 | [adj] three years i | 10 |
|
| 4 | for three years i | 8 |
|
| 5 | for three years i | 8 |
|
| 6 | [num ord] three years i | 6 |
|
| 7 | last three years i | 5 |
|
| 8 | last three years i | 5 |
|
| 9 | three years [adv] i | 21 |
|
| 10 | three years [adv] i | 19 |
|
| 11 | three years [conj] i | 19 |
|
| 12 | three years ago i | 13 |
|
| 13 | three years ago i | 13 |
|
| 14 | three years [subord] i | 10 |
|
| 15 | three years [coord] i | 8 |
|
| 16 | three years and i | 7 |
|
| 17 | three years and i | 7 |
|
| 18 | three years i [verb] | 24 |
|
| 19 | three years i [vb base] | 16 |
|
| 20 | three years i have | 14 |
|
| 21 | three years i 've | 9 |
|
| 22 | three years i [vb past] | 8 |
|
| 23 | three years i have | 5 |
|
