| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [verb] | 2114 |
|
| 2 | they [vb mod] learn | 128 |
|
| 3 | they [modal v] learn | 128 |
|
| 4 | [pron] should learn | 58 |
|
| 5 | [pers pn] should learn | 56 |
|
| 6 | they should learn | 19 |
|
| 7 | they should learn | 19 |
|
