| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be in [adj] [noun sg] | 30 |
|
| 2 | must be of [adj] [noun sg] | 29 |
|
| 3 | must be [prep] [adj] condition | 11 |
|
| 4 | must be [prep] good [noun sg] | 11 |
|
| 5 | must be [prep] [adj] quality | 7 |
|
| 6 | must be [prep] [adj] importance | 6 |
|
| 7 | must be [prep] great [noun sg] | 5 |
|
