| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be of [adj] [noun sg] | 29 |
|
| 2 | must be of [adj] quality | 7 |
|
| 3 | must be of [adj] importance | 6 |
|
| 4 | must be of great [noun sg] | 5 |
|
