| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been know for [det] years | 15 |
|
| 2 | [verb] been know for [det] years | 15 |
|
| 3 | [vb base] been know for [det] years | 7 |
|
| 4 | have been know for [det] years | 7 |
|
| 5 | [vb -s] been know for [det] years | 6 |
|
| 6 | has been know for [det] years | 6 |
|
