| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [verb] a [noun sg] | 99 |
|
| 2 | if [v-ing] a [noun sg] | 71 |
|
| 3 | if [vb pp] a [noun sg] | 13 |
|
| 4 | if [to-vb] a [noun sg] | 9 |
|
| 5 | if use a [noun sg] | 6 |
|
| 6 | if using a [noun sg] | 6 |
|
