| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [art] [noun sg] | 2537 |
|
| 2 | have been [v-ing] [art] [noun sg] | 1186 |
|
| 3 | have been studying [art] [noun] | 20 |
|
| 4 | have been study [art] [noun sg] | 15 |
|
| 5 | have [be] studying [art] [noun sg] | 15 |
|
| 6 | have be studying [art] [noun sg] | 15 |
|
| 7 | have [been] studying [art] [noun sg] | 15 |
|
| 8 | [verb] been studying [art] [noun sg] | 15 |
|
