| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] is [vb pp] | 1225 |
|
| 2 | but is [vb pp] | 359 |
|
| 3 | but [indef pn] is | 129 |
|
| 4 | but [indef pn] [vb pp] | 30 |
|
