| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to [be] [v-ing] [prep] [adj] | 5 |
|
| 2 | have to be [v-ing] [prep] [adj] | 5 |
|
| 3 | have to be [v-ing] [prep] [adj] | 5 |
|
