| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] [art] long time | 10 |
|
| 2 | [vb infin] [to-vb] a long time | 10 |
|
| 3 | have [to-vb] [art] long time | 8 |
|
