| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's been [verb] [adv prt] a | 10 |
|
| 2 | 's be [vb pp] [adv prt] a | 5 |
|
| 3 | 's be [v-ing] [adv prt] a | 5 |
|
