| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is what i have been [v-ing] | 8 |
|
| 2 | is what i have [been] [v-ing] | 8 |
|
| 3 | is what i have [be] [v-ing] | 8 |
|
| 4 | is what i have be [v-ing] | 8 |
|
