| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be an [noun sg] | 232 |
|
| 2 | should be an [noun sg] | 100 |
|
| 3 | should [adv] be [noun sg] | 24 |
|
| 4 | should [adv] be an | 17 |
|
