| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [am/are] [verb] to be [v-ing] | 10 |
|
| 2 | [noun prp] are [verb] to [be] [v-ing] | 10 |
|
| 3 | [noun prp] [am/are] [vb pp] to [be] [v-ing] | 8 |
|
