| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be running at | 149 |
|
| 2 | [was/were] running at | 51 |
|
| 3 | [is] running at | 40 |
|
| 4 | was running at | 36 |
|
| 5 | is running at | 35 |
|
| 6 | [am/are] running at | 28 |
|
| 7 | are running at | 26 |
|
| 8 | [be] running at | 19 |
|
| 9 | be running at | 19 |
|
| 10 | were running at | 15 |
|
| 11 | [been] running at | 11 |
|
| 12 | been running at | 11 |
|
| 13 | 's running at | 5 |
|
