| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | silence [prep] [art] few seconds | 8 |
|
| 2 | silence for [art] few seconds | 8 |
|
| 3 | silence for [art] few seconds | 8 |
|
| 4 | silence [prep] a few seconds | 8 |
|
| 5 | silence [prep] [art] few seconds | 8 |
|
