| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [prep] a [adj] | 47 |
|
| 2 | [been] replace [prep] a [adj] | 43 |
|
| 3 | has [been] replace [prep] a | 26 |
|
| 4 | has [been] replace [prep] [adj] | 16 |
|
