Indirect object pronouns close indirect object pronoun An ... to a man and want to say ‘I give him an apple’, use lui to mean ‘him’. Je lui donne une pomme. – I give him an apple.

If the clause is essential (i.e., if the clause is essential to the meaning of the sentence ... and can be omitted if it is the object of the clause. Relative pronouns CANNOT be omitted when they are ...