| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years [pers pn] | 48 |
|
| 2 | [prep] years [pers pn] [be] | 35 |
|
| 3 | three years [pers pn] [be] | 24 |
|
| 4 | [prep] three years [be] | 20 |
|
| 5 | [prep] three [pers pn] [be] | 8 |
|
