| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | fill the gap | 140 |
|
| 2 | to fill the gap | 88 |
|
| 3 | fill the gaps | 39 |
|
| 4 | fill the gap | 29 |
|
| 5 | filling the gap | 22 |
|
| 6 | filled the gap | 13 |
|
| 7 | fill the gap | 12 |
|
| 8 | fills the gap | 10 |
|
| 9 | filled the gap | 5 |
|
