| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | piece [prep] [noun sg] [vb past] be | 11 |
|
| 2 | piece of [noun sg] [vb past] [be] | 11 |
|
| 3 | piece [prep] [noun sg] [vb past] [been] | 9 |
|
| 4 | piece [prep] [noun sg] had [be] | 9 |
|
| 5 | piece [prep] [noun sg] [vb past] been | 9 |
|
