| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i be on [art] course | 6 |
|
| 2 | i [be] on [art] course | 6 |
|
| 3 | i [was/were] on [art] course | 5 |
|
| 4 | i was on [art] course | 5 |
|
