| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] be for [det] years | 18 |
|
| 2 | [vb -s] [been] for [det] years | 18 |
|
| 3 | [vb -s] been for [det] years | 18 |
|
| 4 | has [be] for [det] years | 17 |
|
| 5 | [vb -s] [be] for many years | 10 |
|
