| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] and [noun sg] have been [v-ing] | 19 |
|
| 2 | [noun sg] and [noun sg] have been [v-ing] | 9 |
|
| 3 | [noun sg] and [noun sg] had been [v-ing] | 5 |
|
| 4 | [noun sg] and [noun sg] has been [v-ing] | 5 |
|
