| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [vb mod] have been [v-ing] | 7 |
|
| 2 | if [pers pn] [vb mod] have been [v-ing] | 7 |
|
| 3 | if [pron] [vb mod] have been [v-ing] | 6 |
|
