| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun pl] ' | 63 |
|
| 2 | be [v-ing] a [noun pl] | 46 |
|
| 3 | be [v-ing] [noun pl] ' | 23 |
|
| 4 | [v-ing] a [noun pl] ' | 21 |
|
