| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] | 28656 |
|
| 2 | is [coord] | 1459 |
|
| 3 | [be] but | 1118 |
|
| 4 | be but | 1117 |
|
| 5 | [is] but | 400 |
|
| 6 | is but | 362 |
|
