| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] a | 2234 |
|
| 2 | have been [v-ing] a | 915 |
|
| 3 | have been taking [art] | 45 |
|
| 4 | have been take a | 38 |
|
| 5 | have be taking a | 30 |
|
| 6 | have [be] taking a | 30 |
|
| 7 | [verb] been taking a | 30 |
|
| 8 | have [been] taking a | 30 |
|
