| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a long time | 380 |
|
| 2 | [modal v] [verb] a long time | 97 |
|
| 3 | [modal v] [verb] for a long | 24 |
|
| 4 | [modal v] [verb] for a time | 5 |
|
