| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been no sign | 18 |
|
| 2 | [pron] have been no sign | 18 |
|
| 3 | [ex0] have been no sign | 18 |
|
| 4 | there have been no sign | 18 |
|
| 5 | have been no sign [prep] | 15 |
|
| 6 | have been no sign [prep] | 15 |
|
| 7 | have been no sign of | 13 |
|
| 8 | have been no sign of | 13 |
|
