| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [be] [vb pp] [prep] [art] clean | 8 |
|
| 2 | [be] [vb pp] [prep] [art] clean [noun] | 11 |
|
| 3 | [be] [vb pp] [prep] [art] clean [noun sg] | 11 |
|
