| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [v-ing] [art] | 9511 |
|
| 2 | [noun] be [v-ing] [art] | 9511 |
|
| 3 | [noun] be [v-ing] a | 4781 |
|
| 4 | [noun] be [verb] an | 1354 |
|
| 5 | [noun] [be] [v-ing] an | 658 |
|
