| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] for two years | 62 |
|
| 2 | [vb past] [be] [verb] for years | 30 |
|
| 3 | [vb past] [be] [verb] for two | 16 |
|
| 4 | [vb past] [be] [verb] two years | 10 |
|
