| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb mod] have become | 31 |
|
| 2 | he [vb mod] have become | 29 |
|
| 3 | he would have become | 11 |
|
| 4 | he might have become | 5 |
|
| 5 | he must have become | 5 |
|
