| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used at [adj] time | 6 |
|
| 2 | [vb mod] be used at [adj] time | 6 |
|
| 3 | be used at [art] [adj] time | 6 |
|
| 4 | be used at [art] [adj] time | 6 |
|
| 5 | be used at the [adj] time | 5 |
|
| 6 | be used at the [adj] time | 5 |
|
| 7 | be used at [adj] time [prep] | 6 |
|
| 8 | be used at [adj] time [prep] | 6 |
|
