| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | perhaps it [is] [verb] | 23 |
|
| 2 | perhaps it [is] [v-ing] | 14 |
|
| 3 | perhaps it 's [verb] | 13 |
|
| 4 | perhaps it is [verb] | 10 |
|
| 5 | perhaps it [is] [vb pp] | 7 |
|
