| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he should [vb infin] a | 100 |
|
| 2 | he should [verb] a | 89 |
|
| 3 | he should have a | 28 |
|
| 4 | he should have a | 28 |
|
| 5 | he should [verb] an | 12 |
|
