| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pers pn] [is] [adv] often | 13 |
|
| 2 | but [pers pn] [is] [adv] often | 7 |
|
| 3 | but [pers pn] [is] not often | 6 |
|
| 4 | but [pers pn] [is] not often | 6 |
|
| 5 | but [pers pn] [is] [not/n't] often | 6 |
|
| 6 | but [pers pn] [is] often [vb pp] | 12 |
|
| 7 | but [pers pn] [is] often [verb] | 12 |
|
| 8 | but [pers pn] [is] often [adj] | 12 |
|
| 9 | but [pers pn] [is] often [adj] | 10 |
|
| 10 | but [pers pn] [is] often difficult | 5 |
|
| 11 | but [pers pn] [is] often difficult | 5 |
|
