| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [prep] [adj] | 519 |
|
| 2 | is [not/n't] [v-ing] [prep] | 409 |
|
| 3 | [not/n't] [v-ing] [prep] [adj] | 159 |
|
| 4 | is [not/n't] [prep] [adj] | 140 |
|
| 5 | is [not/n't] [v-ing] [adj] | 52 |
|
