| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have tend to be | 110 |
|
| 2 | have tended to be | 110 |
|
| 3 | have tend to be | 61 |
|
| 4 | has tend to be | 43 |
|
| 5 | had tend to be | 5 |
|
