| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been trying [to-vb] a | 29 |
|
| 2 | have been trying [to-vb] a | 29 |
|
| 3 | [vb past] been trying [to-vb] a | 11 |
|
| 4 | [vb base] been trying [to-vb] a | 11 |
|
| 5 | had been trying [to-vb] a | 10 |
|
| 6 | have been trying [to-vb] a | 7 |
|
| 7 | [vb -s] been trying [to-vb] a | 7 |
|
| 8 | has been trying [to-vb] a | 6 |
|
| 9 | been trying [to-vb] a [noun sg] | 21 |
|
| 10 | been trying [to-vb] a [noun] | 21 |
|
| 11 | been trying [to-vb] a [adj] | 10 |
|
| 12 | been trying [to-vb] a [adj] | 9 |
|
