| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not so [adj] [to-vb] | 60 |
|
| 2 | is [not/n't] so [adj] [to-vb] | 49 |
|
| 3 | [is] [not/n't] so [adj] [to-vb] | 45 |
|
| 4 | [is] [not/n't] so easy [to-vb] | 29 |
|
| 5 | [is] [not/n't] so easy [to-vb] | 29 |
|
| 6 | [is] [not/n't] so much [to-vb] | 15 |
|
| 7 | [is] [not/n't] so [det] [to-vb] | 15 |
|
| 8 | [is] [not/n't] so much [to-vb] | 15 |
|
| 9 | 's [not/n't] so [adj] [to-vb] | 11 |
|
