| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has to be [verb] by | 214 |
|
| 2 | has to be [vb pp] by | 214 |
|
| 3 | has to be done by | 12 |
|
| 4 | has to be do by | 12 |
|
| 5 | has to be approve by | 7 |
|
| 6 | has to be approved by | 7 |
|
| 7 | has to be support by | 6 |
|
| 8 | has to be supported by | 6 |
|
| 9 | has to be taken by | 5 |
|
| 10 | has to be made by | 5 |
|
| 11 | has to be make by | 5 |
|
| 12 | has to be take by | 5 |
|
