| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [art] [adj] time | 725 |
|
| 2 | [vb past] [art] [adj] time | 573 |
|
| 3 | [vb past] [art] difficult [noun] | 70 |
|
| 4 | [vb past] [art] difficult [noun sg] | 65 |
|
| 5 | [verb] [art] difficult time | 22 |
|
| 6 | [vb past] [art] difficult time | 10 |
|
| 7 | [vb past] [art] difficult time | 10 |
|
| 8 | [vb past] [art] difficult time | 10 |
|
