| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be what have been [v-ing] | 11 |
|
| 2 | be what have [be] [v-ing] | 11 |
|
| 3 | be what have be [v-ing] | 11 |
|
| 4 | be what have [been] [v-ing] | 11 |
|
| 5 | be what 's [be] [v-ing] | 6 |
|
| 6 | is what have [be] [v-ing] | 6 |
|
| 7 | be what has [be] [v-ing] | 5 |
|
