| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but have [vb pp] a | 58 |
|
| 2 | but had [verb] a | 27 |
|
| 3 | but has [verb] a | 20 |
|
| 4 | but have [verb] a | 11 |
|
| 5 | but have become a | 6 |
|
| 6 | but have become a | 6 |
|
| 7 | but have made a | 6 |
|
| 8 | but have make a | 6 |
|
| 9 | but have had a | 5 |
|
| 10 | but have have a | 5 |
|
| 11 | but have [to-vb] a | 5 |
|
