| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a [noun sg] | 19717 |
|
| 2 | be [v-ing] a [noun sg] | 7456 |
|
| 3 | [v-ing] [adv] a [noun sg] | 2865 |
|
| 4 | be [v-ing] [adv] a | 987 |
|
| 5 | be [v-ing] [adv] [noun sg] | 426 |
|
