| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [vb infin] why | 1640 |
|
| 2 | not know why | 913 |
|
| 3 | not see why | 414 |
|
| 4 | not understand why | 356 |
|
| 5 | not [vb infin] why | 347 |
|
| 6 | not think why | 94 |
|
| 7 | not explain why | 77 |
|
| 8 | not imagine why | 35 |
|
| 9 | not say why | 20 |
|
| 10 | not remember why | 15 |
|
| 11 | not ask why | 14 |
|
| 12 | not tell why | 5 |
|
