| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a [adj] time | 715 |
|
| 2 | used [prep] a [adj] [noun] | 574 |
|
| 3 | [vb pp] [prep] a [adj] time | 324 |
|
| 4 | used [prep] [art] [adj] time | 9 |
|
| 5 | used [prep] [art] [adj] time | 9 |
|
| 6 | used [prep] a [adj] time | 7 |
|
| 7 | used [prep] a [adj] time | 7 |
|
| 8 | use [prep] a [adj] time | 7 |
|
