| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [noun] have been [v-ing] | 365 |
|
| 2 | if [pron] have been [v-ing] | 347 |
|
| 3 | if [pron] [noun] have been | 93 |
|
| 4 | if [noun] have been [v-ing] | 25 |
|
