| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] [adv] | 882 |
|
| 2 | is [adv] [v-ing] [noun sg] | 337 |
|
| 3 | [adv] [v-ing] [adv] [noun sg] | 145 |
|
| 4 | is [adv] [adv] [noun sg] | 134 |
|
| 5 | is [v-ing] [adv] [noun sg] | 76 |
|
