| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] for [noun pl] | 48 |
|
| 2 | should be [verb] for [noun pl] | 48 |
|
| 3 | should be [vb pp] for [noun pl] | 43 |
|
| 4 | should be [verb] for patients | 5 |
|
| 5 | should be reserve for [noun pl] | 5 |
|
| 6 | should be reserved for [noun pl] | 5 |
|
| 7 | should be used for [noun pl] | 5 |
|
| 8 | should be use for [noun pl] | 5 |
|
| 9 | should be [v-ing] for [noun pl] | 5 |
|
