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BARE INFINITIVE. An INFINITIVE without to (win rather than to win), used: (1) After modal verbs: I must go. (2) In the pattern verb of perception plus object plus infinitive: We heard the door bang. (3) With some verbs: Let go; Help me do this; Make them pay. (4) After rather than and sooner than: I'll go without rather than pay so much. (5) In cleft sentences: All I did was ask.