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