| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to do be [verb] at | 9 |
|
| 2 | have [to-vb] is [verb] at | 8 |
|
| 3 | have [to-vb] be [vb infin] at | 7 |
|
| 4 | have [to-vb] be look at | 5 |
|
| 5 | have [to-vb] be [verb] at | 5 |
|
