| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years [pers pn] | 48 |
|
| 2 | [prep] years [pers pn] [vb base] | 45 |
|
| 3 | three years [pers pn] [vb base] | 31 |
|
| 4 | [prep] three [pers pn] [vb base] | 8 |
|
