| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | signal the end | 17 |
|
| 2 | signalled the end | 12 |
|
| 3 | signals the end | 11 |
|
| 4 | signalled the end | 5 |
|
| 5 | signalling the end | 5 |
|
