| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] [is] often [vb pp] | 13 |
|
| 2 | but it [is] often [vb pp] | 12 |
|
| 3 | but [pers pn] [is] often [vb pp] | 12 |
|
| 4 | but it [is] often [vb pp] | 12 |
|
| 5 | but [pron] is often [vb pp] | 11 |
|
