| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [v-ing] [noun pl] [vb infin] | 12 |
|
| 2 | [noun sg] is [v-ing] [noun pl] [vb infin] | 10 |
|
| 3 | is [v-ing] [noun pl] [vb mod] [vb infin] | 5 |
|
| 4 | is [v-ing] [noun pl] [modal v] [vb infin] | 5 |
|
