| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for a long time | 169 |
|
| 2 | be [vb pp] for a long | 66 |
|
| 3 | be for a long time | 32 |
|
| 4 | be [vb pp] a long time | 32 |
|
| 5 | be [vb pp] for a time | 14 |
|
