| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has had to [be] [vb pp] | 69 |
|
| 2 | has had to [be] [verb] | 69 |
|
| 3 | has had to [be] [verb] | 69 |
|
| 4 | has had to be [verb] | 69 |
|
| 5 | has had to be [verb] | 69 |
|
