| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [to-vb] [adj] [noun] | 11 |
|
| 2 | has [been] trying [to-vb] [adj] [noun] | 8 |
|
| 3 | has [been] [v-ing] [to-vb] [adj] [noun pl] | 7 |
|
