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