| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [art] | 768 |
|
| 2 | have been [v-ing] [art] | 423 |
|
| 3 | have been studying [art] | 27 |
|
| 4 | [verb] been studying [art] | 27 |
|
| 5 | [vb base] been studying [art] | 13 |
|
| 6 | have been studying [art] | 10 |
|
| 7 | have be studying [art] | 10 |
|
| 8 | have [be] studying [art] | 10 |
|
| 9 | have [been] studying [art] | 10 |
|
| 10 | have been study [art] | 10 |
|
