| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a [adj] time | 835 |
|
| 2 | [verb] [prep] a [adj] time | 715 |
|
| 3 | [verb] [prep] a critical [noun] | 52 |
|
| 4 | [verb] [prep] [art] critical time | 6 |
|
| 5 | [verb] [prep] [art] critical time | 6 |
|
| 6 | [verb] [prep] a critical time | 5 |
|
| 7 | [verb] [prep] a critical time | 5 |
|
| 8 | [verb] [prep] a critical time | 5 |
|
