| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] have been [v-ing] | 39 |
|
| 2 | if you have been [v-ing] | 27 |
|
| 3 | if they have been [v-ing] | 8 |
|
| 4 | if [pers pn] have been taking | 5 |
|
