| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [v-ing] [adj] | 1406 |
|
| 2 | [modal v] [be] [v-ing] [adv prt] | 1185 |
|
| 3 | [be] [v-ing] [adv prt] [adj] | 837 |
|
| 4 | [modal v] [be] [adv prt] [adj] | 90 |
|
