| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [vb pp] [pron] [det] times | 6 |
|
| 2 | must have [vb pp] [pron] [det] time | 6 |
|
| 3 | must have [vb pp] [pron] [det] time | 6 |
|
| 4 | must have [vb pp] [pers pn] [det] time | 5 |
|
