| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but these have been | 20 |
|
| 2 | but these have [been] | 20 |
|
| 3 | but these have be | 20 |
|
| 4 | but these have [be] | 14 |
|
| 5 | but these had [be] | 6 |
|
