| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a long time | 122 |
|
| 2 | [vb infin] [art] long time | 122 |
|
| 3 | take [art] long time | 96 |
|
| 4 | last [art] long time | 8 |
|
