| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [pron] | 14190 |
|
| 2 | [v-ing] [adv] [pron] | 8583 |
|
| 3 | is [v-ing] [adv] | 5947 |
|
| 4 | is [v-ing] [pron] | 3262 |
|
