| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been known for many year | 10 |
|
| 2 | [verb] [been] known for many year | 10 |
|
| 3 | [verb] [be] known for many year | 10 |
|
| 4 | [verb] [be] known for many years | 10 |
|
| 5 | [verb] be known for many year | 10 |
|
| 6 | have [be] known for many year | 10 |
|
| 7 | has [be] known for many year | 5 |
|
| 8 | [vb -s] [be] known for many year | 5 |
|
