| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] at [det] time | 75 |
|
| 2 | [vb mod] at any time | 58 |
|
| 3 | may at [det] time | 35 |
|
| 4 | [vb mod] at [det] times | 19 |
|
| 5 | [vb mod] at all time | 18 |
|
| 6 | [vb mod] at some time | 11 |
|
| 7 | shall at [det] time | 11 |
|
| 8 | must at [det] time | 9 |
|
| 9 | could at [det] time | 9 |
|
| 10 | might at [det] time | 9 |
|
| 11 | should at [det] time | 8 |
|
| 12 | can at [det] time | 7 |
|
