| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | make it compulsory for | 18 |
|
| 2 | [verb] it compulsory for | 18 |
|
| 3 | [vb infin] it compulsory for | 5 |
|
| 4 | make it compulsory for | 5 |
|
| 5 | it be compulsory for | 5 |
|
| 6 | it [be] compulsory for | 5 |
|
| 7 | it compulsory for [noun] | 10 |
|
| 8 | it compulsory for [noun pl] | 6 |
|
