| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] but is | 743 |
|
| 2 | [noun] but [indef pn] | 578 |
|
| 3 | [noun] [indef pn] is | 312 |
|
| 4 | but [indef pn] is | 129 |
|
