| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | compulsory [prep] [adj] [noun] | 40 |
|
| 2 | compulsory [prep] [adj] [noun pl] | 29 |
|
| 3 | compulsory for [adj] [noun] | 25 |
|
| 4 | compulsory for [adj] [noun] | 25 |
|
| 5 | compulsory [prep] [det] [noun] | 23 |
|
| 6 | compulsory [prep] all [noun] | 17 |
|
| 7 | compulsory [prep] all [noun] | 17 |
|
| 8 | compulsory [prep] [adj] [noun] | 16 |
|
| 9 | compulsory [prep] [adj] [noun sg] | 9 |
|
| 10 | compulsory in [adj] [noun] | 7 |
|
| 11 | compulsory in [adj] [noun] | 7 |
|
