| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] | 190863 |
|
| 2 | to be | 190855 |
|
| 3 | [prep] been | 532 |
|
| 4 | [prep] been | 532 |
|
| 5 | to [been] | 10 |
|
| 6 | to been | 9 |
|
