| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] a [noun sg] | 5125 |
|
| 2 | [verb] [v-ing] [prep] a [noun sg] | 804 |
|
| 3 | [modal v] [verb] [v-ing] a [noun sg] | 124 |
|
| 4 | [modal v] [verb] [v-ing] [prep] [noun sg] | 119 |
|
| 5 | [modal v] [verb] [v-ing] [prep] a | 104 |
|
