| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] if it [vb past] | 30 |
|
| 2 | [verb] [adv] if it [vb past] | 21 |
|
| 3 | [vb pp] [adv] if it [vb past] | 12 |
|
| 4 | [verb] [adv prt] if it [vb past] | 8 |
|
| 5 | [verb] [adv] if it had | 8 |
|
| 6 | [vb infin] [adv] if it [vb past] | 6 |
|
| 7 | [to-vb] [adv] if it [vb past] | 5 |
|
| 8 | [v-ing] [adv] if it [vb past] | 5 |
|
