| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [be] [v-ing] [prep] | 426 |
|
| 2 | [pron] have [be] [v-ing] to | 294 |
|
| 3 | we have [be] [verb] to | 53 |
|
| 4 | we [verb] [be] [v-ing] to | 23 |
|
