| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it took [pers pn] three years | 7 |
|
| 2 | [pers pn] took [pers pn] three years | 7 |
|
| 3 | [pron] took [pers pn] three years | 7 |
|
| 4 | it took [pers pn] three years | 7 |
|
