| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be known [prep] many years | 10 |
|
| 2 | [verb] be known for many years | 10 |
|
| 3 | [verb] been known [prep] many years | 10 |
|
| 4 | [vb -s] be known [prep] many years | 5 |
|
| 5 | has be known [prep] many years | 5 |
|
