| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] a [noun] | 15 |
|
| 2 | they have be [v-ing] a [noun sg] | 15 |
|
| 3 | they have be [v-ing] a [noun] | 5 |
|
| 4 | they had be [v-ing] a [noun] | 5 |
|
