| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could you [verb] | 1384 |
|
| 2 | could you [vb infin] | 1380 |
|
| 3 | [modal v] you explain | 83 |
|
| 4 | [vb mod] you explain | 83 |
|
| 5 | could [pron] explain | 49 |
|
| 6 | could you explain | 21 |
|
| 7 | could you explain | 21 |
|
