| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [modal v] [verb] | 25481 |
|
| 2 | countries [modal v] [verb] | 317 |
|
| 3 | [noun prp] countries [verb] | 109 |
|
| 4 | [noun prp] countries [modal v] | 32 |
|
