| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adv] [prep] a | 2621 |
|
| 2 | [adv] [prep] a couple | 378 |
|
| 3 | [vb infin] [prep] a couple | 61 |
|
| 4 | [vb infin] [adv] a couple | 14 |
|
