| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] should have been [v-ing] | 28 |
|
| 2 | [noun sg] should have been [v-ing] | 11 |
|
| 3 | [noun pl] should have been [v-ing] | 9 |
|
| 4 | [noun prp] should have been [v-ing] | 7 |
|
