| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] if it [is] [verb] | 26 |
|
| 2 | [vb infin] if it [is] [verb] | 26 |
|
| 3 | [vb infin] if it is [verb] | 15 |
|
| 4 | [vb infin] if it 's [verb] | 11 |
|
| 5 | [vb infin] if it [is] [v-ing] | 9 |
|
| 6 | know if it [is] [verb] | 8 |
|
| 7 | [vb infin] if it [is] [vb pp] | 8 |
|
| 8 | [vb infin] if it [is] [to-vb] | 8 |
|
