| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years they | 7 |
|
| 2 | [prep] three years they | 7 |
|
| 3 | three years [adv] they | 12 |
|
| 4 | three years [adv] they | 10 |
|
| 5 | three years [conj] they | 8 |
|
| 6 | three years ago they | 7 |
|
| 7 | three years ago they | 7 |
|
| 8 | three years [subord] they | 6 |
|
| 9 | three years they [verb] | 9 |
|
| 10 | three years they have | 7 |
|
| 11 | three years they [vb past] | 5 |
|
