| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have be [v-ing] | 1003 |
|
| 2 | [conj] [modal v] have be | 942 |
|
| 3 | [conj] have be [v-ing] | 534 |
|
| 4 | [conj] [modal v] be [v-ing] | 375 |
|
