| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for [det] time | 38 |
|
| 2 | has been [vb pp] for [det] time | 26 |
|
| 3 | have been known for [det] time | 16 |
|
| 4 | has been known for [det] [noun] | 16 |
|
| 5 | [verb] been known for [det] time | 16 |
|
| 6 | [vb -s] been known for [det] time | 11 |
|
| 7 | has been known for [det] time | 10 |
|
| 8 | has been known for [det] time | 10 |
|
| 9 | has been know for [det] time | 10 |
|
| 10 | has been known for [det] [noun sg] | 10 |
|
| 11 | has be known for [det] time | 10 |
|
| 12 | has [been] known for [det] time | 10 |
|
| 13 | has been known [prep] [det] time | 10 |
|
| 14 | has been known for [adj] time | 10 |
|
| 15 | has been known [prep] [det] time | 10 |
|
| 16 | has [be] known for [det] time | 10 |
|
