Help the stressed movie director organize his shooting schedule for the alien invasion scene by dragging the correct verbs into the blanks.

By the time the actors arrive on set, the crew will have built the giant spaceship.

Before the sun sets, we will have filmed the big explosion so we can all go home early!

By the time the actors arrive on set, the crew will have built the giant spaceship.

We use the future perfect (will have + past participle) to talk about an action that will be fully completed before a specific time in the future. Here, the building of the spaceship happens before the actors arrive.

Before the sun sets, we will have filmed the big explosion so we can all go home early!

Again, the filming will be finished before another future event (the sun setting), making the future perfect the right choice.