| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [modal v] have be [v-ing] to | 6 |
|
| 2 | [noun sg] [modal v] have been [v-ing] to | 6 |
|
| 3 | [noun sg] [vb mod] have be [v-ing] to | 6 |
|
