| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have been a time | 7 |
|
| 2 | there must have [be] a time | 7 |
|
| 3 | [pron] must have [be] a time | 7 |
|
| 4 | there must have [be] a time | 7 |
|
| 5 | [pron] must have [be] a time | 7 |
|
| 6 | [pron] must have be a time | 7 |
|
| 7 | [ex0] must have [be] a time | 7 |
|
| 8 | [pron] must have [be] a time | 7 |
|
| 9 | [pron] must have [been] a time | 7 |
|
