| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [adv prt] [coord] [vb base] | 6 |
|
| 2 | is [v-ing] [adv prt] and [vb base] | 6 |
|
| 3 | is [v-ing] [adv prt] and [vb base] | 6 |
|
