| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a long time | 122 |
|
| 2 | [to-vb] a long time | 52 |
|
| 3 | [vb infin] [to-vb] a long | 32 |
|
| 4 | [vb infin] [to-vb] a time | 8 |
|
