| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [adv] [prep] | 1530 |
|
| 2 | [v-ing] it [adv] [prep] | 1274 |
|
| 3 | is it [adv] [prep] | 91 |
|
| 4 | is [v-ing] it [adv] | 77 |
|
| 5 | is [v-ing] it [prep] | 59 |
|
