| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep [v-ing] [prep] [adj] | 154 |
|
| 2 | [modal v] keep [v-ing] [prep] | 52 |
|
| 3 | [modal v] keep [prep] [adj] | 19 |
|
| 4 | [modal v] keep [v-ing] [adj] | 12 |
|
