Put the verbs in brackets into the correct form, using Conditionals Type 0 or 1. If Tom \(to have\) a birthday party, he usually \(to invite\) a lot of friends.

• If Tom has a birthday party, he usually invites a lot of friends.
• If Tom has a birthday party, he usually will invite a lot of friends.
• If Tom will have a birthday party, he usually invites a lot of friends.