| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [v-ing] [adv prt] [prep] a | 8 |
|
| 2 | it 's [verb] up [prep] a | 7 |
|
| 3 | it 's [vb pp] [adv prt] [prep] a | 6 |
|
