| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] an [noun] | 2802 |
|
| 2 | be [adv] [noun prp] [noun] | 950 |
|
| 3 | be an [noun prp] [noun] | 179 |
|
| 4 | [adv] an [noun prp] [noun] | 106 |
|
| 5 | be [adv] an [noun prp] | 40 |
|
