| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this has been an [adj] [noun sg] | 12 |
|
| 2 | this has [been] an [adj] [noun sg] | 12 |
|
| 3 | this has be an [adj] [noun sg] | 12 |
|
| 4 | this has [be] an [adj] [noun sg] | 12 |
|
