| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] to [adv] [vb infin] | 20 |
|
| 2 | have [verb] to [adv] [vb infin] | 20 |
|
| 3 | have [vb pp] to [adv] [vb infin] | 20 |
|
| 4 | have have to [adv] [vb infin] | 7 |
|
| 5 | have had to [adv] [vb infin] | 7 |
|
