Common Mistakes

• Saba informed that everyone had done their job.✖️
• Saba informed them (us, her, me, etc.) that everyone had done their job.✔️
• Ahmad told that he was good at English.✖️
• Ahmad told us (her, him, us etc.) that he was good at English.✔️
• The police officer assured that all culprits would be arrested.✖️
• The police officer assured me (him, her, them, etc.) that all culprits would be arrested.✔️

Explanation:

There are some verbs in English that need an indirect object in order to be immediately followed by a that-clause. A that-clause cannot be written right after these verbs. These verbs include "remind, inform, assure, and tell." 

• Ali pays more attention to movies than dramas.✖️
• Ali pays more attention to movies than to dramas.✔️
• He can trust more on you than me.✖️
• He can trust more on you than on me.✔️

Explanation:

If you are comparing two things, then you must write the preposition before both of those things.

• Mohid is declared to be in charge of the company.✖️
• Mohid is declared to have been in charge of the company.✔️
• Hira is supposed to do this job.✖️
• Hira is supposed to have done this job.✔️

Reason:
We should use perfect infinitives while talking about the time earlier than that which is stated by the finite verb.