| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [art] [adj] time | 241 |
|
| 2 | [modal v] [vb infin] [art] [adj] time | 196 |
|
| 3 | [modal v] [vb infin] [art] hard [noun] | 43 |
|
| 4 | [modal v] [vb infin] [art] hard [noun sg] | 40 |
|
| 5 | [modal v] [verb] [art] hard time | 16 |
|
| 6 | [modal v] [vb infin] [art] hard time | 16 |
|
| 7 | [modal v] [vb infin] [art] hard time | 16 |
|
