| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | run at a | 86 |
|
| 2 | running at a | 60 |
|
| 3 | run at an | 21 |
|
| 4 | run at a | 16 |
|
| 5 | to run at a | 10 |
|
| 6 | ran at a | 8 |
|
| 7 | runs at a | 7 |
|
| 8 | run at a | 5 |
|
