| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] for [adj] years | 29 |
|
| 2 | [modal v] [be] [verb] for [adj] years | 29 |
|
| 3 | [modal v] [be] for [adj] years [prep] | 5 |
|
| 4 | [modal v] [be] for [adj] years [prep] | 5 |
|
