| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [v-ing] [noun sg] | 37 |
|
| 2 | [modal v] have [been] [v-ing] [noun sg] | 37 |
|
| 3 | [modal v] have been [v-ing] [noun sg] | 37 |
|
| 4 | must have [been] [v-ing] [noun sg] | 8 |
|
| 5 | must have [been] [v-ing] [noun sg] | 8 |
|
| 6 | would have [been] [v-ing] [noun sg] | 8 |
|
| 7 | should have [been] [v-ing] [noun sg] | 8 |
|
| 8 | should have [been] [v-ing] [noun sg] | 8 |
|
| 9 | would have [been] [v-ing] [noun sg] | 7 |
|
| 10 | might have [been] [v-ing] [noun sg] | 5 |
|
| 11 | might have [been] [v-ing] [noun sg] | 5 |
|
