| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] to be [adv] | 26 |
|
| 2 | have [vb pp] to be [adv] | 26 |
|
| 3 | have [vb pp] to [be] [adv] | 26 |
|
| 4 | have [vb pp] to [be] [adv] | 26 |
|
| 5 | have had to [be] [adv] | 9 |
|
