| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb mod] [to-vb] a | 66 |
|
| 2 | he used [to-vb] a | 52 |
|
| 3 | he [vb mod] to have a | 22 |
|
| 4 | he ought [to-vb] a | 12 |
|
