| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [verb] | 34151 |
|
| 2 | [pron] [modal v] learn | 864 |
|
| 3 | [pers pn] [modal v] learn | 828 |
|
| 4 | they [modal v] learn | 129 |
|
