| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adv] long time | 186 |
|
| 2 | [vb infin] for a long time | 27 |
|
| 3 | [vb infin] a [adv] long time | 23 |
|
| 4 | [vb infin] for a [adv] long | 6 |
|
