| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if [pron] do [not/n't] know | 37 |
|
| 2 | [prep] if you do [not/n't] [verb] | 29 |
|
| 3 | [prep] if you do [not/n't] [vb infin] | 28 |
|
| 4 | [prep] [subord] you do [not/n't] know | 13 |
|
| 5 | [prep] [conj] you do [not/n't] know | 13 |
|
| 6 | [prep] if you do [adv] know | 12 |
|
| 7 | [prep] if you do [not/n't] know | 12 |
|
| 8 | [prep] if you do [not/n't] know | 12 |
|
| 9 | [prep] if you [verb] [not/n't] know | 12 |
|
