| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv prt] [prep] [adv] | 201 |
|
| 2 | [is] [verb] [adv prt] [prep] [adv] | 111 |
|
| 3 | [is] [v-ing] [adv] [prep] [adv] | 62 |
|
| 4 | [is] [v-ing] [adv prt] [prep] [adv] | 51 |
|
