| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [v-ing] [prep] | 3338 |
|
| 2 | [vb base] [pron] have been [v-ing] | 213 |
|
| 3 | [vb base] [pron] been [v-ing] [prep] | 87 |
|
| 4 | [vb base] [pron] have been [prep] | 66 |
|
| 5 | [vb base] have been [v-ing] [prep] | 6 |
|
