| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [verb] two years | 12 |
|
| 2 | [pers pn] [vb base] [verb] two years | 10 |
|
| 3 | [vb base] [verb] [prep] two years | 8 |
|
| 4 | [vb base] [verb] [prep] two years | 8 |
|
| 5 | [vb base] [verb] for two years | 5 |
|
| 6 | [vb base] [verb] for two years | 5 |
|
