| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] do [adv] | 134824 |
|
| 2 | course [pron] do | 573 |
|
| 3 | course [pron] [adv] | 124 |
|
| 4 | course do [adv] | 39 |
|
