| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [modal v] [verb] | 10344 |
|
| 2 | 1993 [modal v] [verb] | 43 |
|
| 3 | 1993 and [verb] | 33 |
|
| 4 | 1993 and [modal v] | 15 |
|
