| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be an [noun] [conj] | 97 |
|
| 2 | [prep] be [art] [noun] but | 44 |
|
| 3 | [prep] be [art] [noun] but | 44 |
|
| 4 | [prep] be a [noun] but | 37 |
|
| 5 | [prep] [be] an [noun] but | 5 |
|
| 6 | [prep] be an [noun] but | 5 |
|
