| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] [verb] [subord] to laugh | 11 |
|
| 2 | [verb] [not/n't] [verb] whether to laugh | 11 |
|
| 3 | [verb] [not/n't] know [subord] to laugh | 11 |
|
| 4 | [verb] [not/n't] [vb infin] [subord] to laugh | 11 |
|
| 5 | [verb] [not/n't] know [subord] to laugh | 11 |
|
| 6 | [verb] n't [verb] [subord] to laugh | 10 |
|
| 7 | [vb past] [not/n't] [verb] [subord] to laugh | 8 |
|
| 8 | did [not/n't] [verb] [subord] to laugh | 8 |
|
