| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [adv] [v-ing] [prep] | 77 |
|
| 2 | [is] [not/n't] [adv] [v-ing] [prep] | 69 |
|
| 3 | [is] [not/n't] [adv] [verb] at | 33 |
|
| 4 | [be] [not/n't] [adv] [v-ing] at | 32 |
|
| 5 | [is] [adv] [adv] [v-ing] at | 7 |
|
| 6 | [is] [not/n't] [adv] [v-ing] at | 5 |
|
| 7 | [is] [not/n't] [adv] [v-ing] at | 5 |
|
