| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [subord] a | 318 |
|
| 2 | but if a | 117 |
|
| 3 | but after a | 62 |
|
| 4 | but when a | 60 |
|
| 5 | but where a | 18 |
|
| 6 | but because a | 11 |
|
| 7 | but once a | 11 |
|
| 8 | but although a | 7 |
|
| 9 | but whether a | 7 |
|
| 10 | but while a | 7 |
|
