| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] clean | 41 |
|
| 2 | be kept clean | 33 |
|
| 3 | been [vb pp] clean | 18 |
|
| 4 | be wiped clean | 14 |
|
| 5 | was [vb pp] clean | 12 |
|
| 6 | is [vb pp] clean | 8 |
|
| 7 | are [vb pp] clean | 5 |
|
| 8 | were [vb pp] clean | 5 |
|
| 9 | be washed clean | 5 |
|
