| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [been] [verb] [to-vb] [noun sg] | 13 |
|
| 2 | it has been [verb] [to-vb] [noun sg] | 13 |
|
| 3 | it has be [verb] [to-vb] [noun sg] | 13 |
|
| 4 | it has [be] [vb pp] [to-vb] [noun sg] | 12 |
|
