| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to be [verb] at [art] | 22 |
|
| 2 | have to [be] [vb pp] at [art] | 22 |
|
| 3 | have to [be] [verb] at [art] | 22 |
|
| 4 | have to [be] [verb] at a | 11 |
|
| 5 | have to [be] [verb] at the | 10 |
|
