| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adv] a problem | 35 |
|
| 2 | not [adv] a problem | 34 |
|
| 3 | not usually a [noun] | 16 |
|
| 4 | not usually a [noun sg] | 16 |
|
| 5 | not usually a problem | 5 |
|
| 6 | [adv] usually a problem | 5 |
|
| 7 | not usually a problem | 5 |
|
| 8 | not usually [art] problem | 5 |
|
| 9 | [not/n't] usually a problem | 5 |
|
| 10 | not usually a problem | 5 |
|
