| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] [adv] a [noun] | 93 |
|
| 2 | [verb] [prep] [adv] a week | 33 |
|
| 3 | [vb infin] [prep] [adv] [art] week | 6 |
|
