| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun] [vb base] [pron] | 681 |
|
| 2 | what [noun pl] [vb base] [pron] | 228 |
|
| 3 | what difference [vb base] [pron] | 8 |
|
| 4 | [pron] differences [vb base] [pron] | 5 |
|
| 5 | [Wh det] differences [vb base] [pron] | 5 |
|
| 6 | what differences [vb base] [pron] | 5 |
|
| 7 | what differences [verb] [pron] | 5 |
|
