| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is often [vb pp] | 551 |
|
| 2 | but [pron] is [vb pp] | 457 |
|
| 3 | but [pron] is often | 32 |
|
| 4 | but is often [vb pp] | 7 |
|
