| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be able [to-vb] [adv prt] [adj] | 9 |
|
| 2 | should be able [verb] [adv prt] [adj] | 9 |
|
| 3 | should be able [verb] [adv prt] [det] | 7 |
|
