| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun pl] have been [v-ing] | 263 |
|
| 2 | [noun sg] and [noun pl] have been | 101 |
|
| 3 | [noun sg] and have been [v-ing] | 59 |
|
| 4 | and [noun pl] have been [v-ing] | 57 |
|
