| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [conj] it happen | 25 |
|
| 2 | but [subord] it happen | 25 |
|
| 3 | but [conj] it happens | 15 |
|
| 4 | but [conj] it happened | 10 |
|
| 5 | but as it happen | 9 |
|
| 6 | but as it happen | 9 |
|
| 7 | but when it happen | 6 |
|
| 8 | but when it happen | 6 |
|
