| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be of [det] [adj] | 174 |
|
| 2 | be of [adj] practical | 42 |
|
| 3 | be [prep] [det] practical | 36 |
|
| 4 | [be] of [det] practical | 23 |
|
