| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [vb pp] | 116165 |
|
| 2 | be [vb pp] but | 1973 |
|
| 3 | [adv] [vb pp] but | 902 |
|
| 4 | be [adv] but | 339 |
|
