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