(3rd) If the students __________________ (not be) late for the exam, they __________________ (pass).
(Third conditional) If the students hadn't been late for the exam, they would have passed.
(3rd) If the weather __________________ (not be) so cold, we __________________ (go) to the beach.
(Third conditional) If the weather hadn't been so cold, we would have gone to the beach.
(2nd) If she __________________ (have) her laptop with her, she __________________ (email) me.
(Second conditional) If she had her laptop with her, she would email me.