| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] at [adj] time | 91 |
|
| 2 | it [modal v] [verb] [adj] time | 61 |
|
| 3 | it [modal v] [verb] at [adj] | 44 |
|
| 4 | it [verb] at [adj] time | 11 |
|
