| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been trying [to-vb] | 20 |
|
| 2 | she had been trying [to-vb] | 10 |
|
| 3 | they had been trying [to-vb] | 8 |
|
| 4 | i had been trying [to-vb] | 8 |
|
