| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | [modal v] [verb] been [v-ing] | 1004 |
|
| 3 | [modal v] have be [v-ing] | 1003 |
|
| 4 | [modal v] have [been] [v-ing] | 1003 |
|
| 5 | [modal v] have [be] [v-ing] | 1003 |
|
