| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to be [vb pp] [prep] | 4641 |
|
| 2 | to be [vb pp] [prep] [adj] | 3174 |
|
| 3 | have to be [vb pp] [adj] | 129 |
|
| 4 | have to be [prep] [adj] | 35 |
|
