| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] silent for a long time | 8 |
|
| 2 | [be] silent for a long time | 8 |
|
| 3 | be silent for a long time | 8 |
|
| 4 | [was/were] silent for a long time | 8 |
|
| 5 | was silent for a long time | 6 |
|
