| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [be] | 974 |
|
| 2 | 's be | 956 |
|
| 3 | [be] been | 98 |
|
| 4 | be been | 90 |
|
| 5 | [is] been | 37 |
|
| 6 | 's [been] | 22 |
|
