| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [verb] [prep] | 2749 |
|
| 2 | [pron] have been [verb] about | 395 |
|
| 3 | [Wh det] have been [verb] about | 28 |
|
| 4 | which have been [verb] about | 11 |
|
| 5 | which [verb] been [verb] about | 11 |
|
| 6 | which have [be] [verb] about | 11 |
|
| 7 | which have [been] [verb] about | 11 |
|
| 8 | which have be [verb] about | 11 |
|
