Present:
We invite to the party
We are inviting to the party
We have invited to the party
We have been inviting to the party
Past:
We invited to the party
We were inviting to the party
We had invited to the party
We had been inviting to the party
Future:
We will invite to the party
We will be inviting to the party
We will have invited to the party
We will have been inviting to the party