| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been known for [adj] years | 16 |
|
| 2 | have been known [prep] [adj] years | 16 |
|
| 3 | [verb] been known [prep] [det] years | 15 |
|
| 4 | [verb] been known [prep] many years | 10 |
|
| 5 | [verb] been known [prep] many years | 10 |
|
| 6 | [vb base] been known [prep] [adj] years | 7 |
|
| 7 | have been known [prep] [adj] years | 7 |
|
| 8 | has been known [prep] [adj] years | 6 |
|
| 9 | [vb -s] been known [prep] [adj] years | 6 |
|
