Open the brackets and put the verbs into correct tense. Mind the type of conditional sentences.

When I ___ (to arrive) in London, I ___ (to go) shopping.

If it ___ (to get) dark, I ___ (to switch) on the lights.

If Molly ___ (to study), she ___ (to pass) an exam.

If you ___ (to hit) the ice, it ___ (to melt).

If you ___ (not to drink) for a long time, you ___ (to become) thirsty.

When I  arrive in London, I'll go shopping. - I тип If it gets dark, I'll switch on the lights. - I тип If Molly studies, she will pass an exam.- I тип If you hit the ice, it melts.- 0 тип If you ___ (not to drink) for a long time, you ___ (to become) thirsty.