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Match the forms of the Infinitive (1-4) with their structures (А-Д Simple Infinitive Continuous Infinitive Perfect Infinitive Perfect Continuous Infinitive (to) be + Ving (to) + V (to) be + V3/ed (to) have + V3/ed (to) have + been + Ving
Simple Infinitive (to) be + V3/ed
Continuous Infinitive (to) be + Ving
Perfect Infinitive. (to) have + V3/ed
Perfect Continuous Infinitive (to) have + been + Ving