| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have be a time | 12 |
|
| 2 | [vb mod] have [be] a time | 12 |
|
| 3 | [vb mod] have been a time | 12 |
|
| 4 | [vb mod] have [been] a time | 12 |
|
| 5 | [vb mod] have [be] a time | 12 |
|
| 6 | must have [be] a time | 7 |
|
