| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been designed for [noun sg] | 10 |
|
| 2 | have be designed for [noun sg] | 10 |
|
| 3 | have [been] designed for [noun sg] | 10 |
|
| 4 | has [be] designed for [noun sg] | 7 |
|
