| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] is [v-ing] [adv prt] | 16 |
|
| 2 | but [vb base] is [v-ing] | 7 |
|
| 3 | but [vb base] [v-ing] [adv prt] | 5 |
|
