| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv prt] [prep] a | 2313 |
|
| 2 | [is] [v-ing] [adv prt] [prep] | 1588 |
|
| 3 | [is] [v-ing] [prep] a | 1210 |
|
| 4 | [is] [adv prt] [prep] a | 188 |
|
| 5 | [is] [v-ing] [adv prt] a | 161 |
|
