| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] how | 32 |
|
| 2 | should [be] [verb] how | 32 |
|
| 3 | should [be] [verb] how | 32 |
|
| 4 | should be [verb] how | 32 |
|
| 5 | should [be] [vb pp] how | 27 |
|
| 6 | should [be] taught how | 10 |
|
| 7 | should [be] teach how | 10 |
|
| 8 | should [be] shown how | 8 |
|
| 9 | should [be] show how | 8 |
|
| 10 | should [be] [v-ing] how | 5 |
|
