| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are not [vb pp] [prep] | 1998 |
|
| 2 | but not [vb pp] [prep] | 163 |
|
| 3 | but are [vb pp] [prep] | 146 |
|
| 4 | but are not [vb pp] | 30 |
|
| 5 | but are not [prep] | 14 |
|
