`3.` Your fears have to be thought logically.

`-` Bị động modal verb : S + have/has to + be + V-ed/c3 + ... + (by+O)

`4.` The party ought to be come by you.

`-` Bị động modal verb : S + ought to + be + V-ed/c3 + ... + (by+O)

`9.` My mind can not be changed.

`-` Bị động modal verb : S + can + be + V-ed/c3 + ... + (by+O)

`13.` Did a fine have to be paid by her ?

`14.` Your pain might be healed by the pills.

`-` Bị động modal verb : S + might + be + V-ed/c3 + ... + (by+O)

`15.` My wallet was lost - I'm sorry to hear that. It might be taken.

`16.` The engine of the car has to be repaired.

`22.` A doctor ought to be seen about that cough.

$\text{Form:}$

`+)` S + have/has to + be + V(PII) + adv/O + (by sb)

`+)` S + ought to + be + V(PII) + adv/O + (by sb)

`+)` S + can be + V(PII) + adv/O + (by sb)

`+)` S + might be + V(PII) + adv/O + (by sb)

--------------------------------------------------------

`3.`

`->` Your fears have to be thought logically.

`4.`

`->` The party ought to be come.

`9.`

`->` My mind can not be changed.

`13.`

`->` Did a fine have to be paid by her?

`14.`

`->` Your pain might be healed by the pills.

`15.`

`->` My wallet was lost - I'm sorry to hear that. It might be taken by someone.

`16.`

`->` The engine of the car has to be repaired.

`22.`

`->` A doctor ought to be seen about that cough.