| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] have been | 10365 |
|
| 2 | [Wh det] [modal v] have been | 1092 |
|
| 3 | which [modal v] have be | 707 |
|
| 4 | which [modal v] have [be] | 707 |
|
| 5 | which [modal v] have been | 707 |
|
| 6 | which [modal v] have [been] | 707 |
|
| 7 | which [modal v] [verb] been | 707 |
|
