The sentence, "After Joan extended a dinner invitation to Glen he reciprocated by inviting her to a concert" is correct, except that traditionally in the U. S. at least there should be a comma after "Glen", to set off an initial adverbial clause. In England, fewer commas of this kind tend to be used.
He extended his house by adding a new room at the back. The deadline for voting was extended by two weeks. The ladder on the fire truck can be extended to reach the roof of a building. His extended family included an uncle from Scotland.
Poor Kevin was love struck by Diana's looks, however his affections were not reciprocated.
A fire in the fireplace makes the whole room feel warm and inviting. Are you inviting all of the kindergartners to your birthday party? The secretaries make the waiting room cheerful and inviting by bringing in fresh flowers every week. As soon as we strung the holiday lights, our home felt cozy and inviting despite the cold temperatures. If you bring that toy to school, you are simply inviting trouble. She has an annoying habit of inviting herself to all of the neighborhood get-togethers. It's amazing how a fresh paint job and new drapes can make our once drab living room bright and inviting. The principal insisted that the hallways of our school be brightly decorated and inviting when the parents came for conferences.
The artist painted a vibrant sunset using shades of ochre, creating a warm and inviting atmosphere in the artwork.
The vampire slowly extended its fangs before sinking them into the victim's neck.
The pool looked cool and inviting in the summer heat. The invitation finally came inviting them to the party.
She was the object of his affection.His affection for her was reciprocated.
His friend reciprocated his good treatment.
She was happy to receive an invitation to the party. What are you waiting for, an invitation?
The invitation got lost in the mail.
There is no such thing as an "extended sentence" in grammar. "Extended sentence" is a legal term, not a grammatical term.
He extended his house by adding a new room at the back. The deadline for voting was extended by two weeks. The ladder on the fire truck can be extended to reach the roof of a building. His extended family included an uncle from Scotland.
He has his invitation but he has not yet arrived.
He has his invitation but he has not yet arrived.
Example sentence - The landscape appeared primitive, yet inviting.
refuse his invitation
The correct sentence is " When you receive the invitation tonight only then will we go together. sounds and looks grammatically alright.