| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be improving [adj] [art] time | 12 |
|
| 2 | [be] improving [adj] [art] time | 12 |
|
| 3 | is improving [adj] [art] time | 5 |
|
| 4 | [is] improving [adj] [art] time | 5 |
|
