| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb base] been [v-ing] [prep] | 1314 |
|
| 2 | if [pers pn] [vb base] been [v-ing] | 89 |
|
| 3 | if [pers pn] [vb base] [v-ing] [prep] | 69 |
|
| 4 | if [pers pn] [vb base] been [prep] | 33 |
|
