| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used for all | 18 |
|
| 2 | [modal v] be used for all | 18 |
|
| 3 | [vb mod] be used for all | 18 |
|
| 4 | can be used for all | 5 |
|
| 5 | should be used for all | 5 |
|
| 6 | should be used for all | 5 |
|
| 7 | will be used for all | 5 |
|
| 8 | can be used for all | 5 |
|
