| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been studying [art] [noun sg] | 15 |
|
| 2 | [verb] been studying the [noun sg] | 14 |
|
| 3 | has been studying [art] [noun sg] | 8 |
|
| 4 | [vb -s] been studying [art] [noun sg] | 8 |
|
