| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be of [adj] quality | 19 |
|
| 2 | [vb mod] be [prep] merchantable quality | 10 |
|
| 3 | should be [prep] [adj] quality | 7 |
|
| 4 | must be [prep] [adj] quality | 7 |
|
