| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv prt] | 20897 |
|
| 2 | be [v-ing] i | 2193 |
|
| 3 | [v-ing] i [adv prt] | 447 |
|
| 4 | be i [adv prt] | 10 |
|
