| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] [adv] a [noun sg] | 643 |
|
| 2 | but [det] [is] a [noun sg] | 168 |
|
| 3 | but [det] [is] [adv] a | 102 |
|
| 4 | but [is] [adv] a [noun sg] | 43 |
|
| 5 | but [det] [is] [adv] [noun sg] | 16 |
|
