| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if i have been [v-ing] | 53 |
|
| 2 | if i had been [v-ing] | 20 |
|
| 3 | if i 'd been [v-ing] | 19 |
|
| 4 | if i 've been [v-ing] | 12 |
|
| 5 | if i have been standing | 5 |
|
