| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [verb] to | 6495 |
|
| 2 | have be [v-ing] [prep] | 6066 |
|
| 3 | [verb] be [v-ing] to | 580 |
|
| 4 | have [be] [v-ing] to | 507 |
|
