| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] | 15529 |
|
| 2 | [am/are] [v-ing] a [noun sg] | 1955 |
|
| 3 | [am/are] [v-ing] [prep] a | 1794 |
|
| 4 | [am/are] [v-ing] [prep] [noun sg] | 1693 |
|
| 5 | [am/are] [prep] a [noun sg] | 1137 |
|
