Learn more about Grammar:
Adjectives: An Easy Guide with ExamplesAdverbial Clauses: What Are They?AdverbsAnalogy: Definition & Meaning (with Examples)ArticlesBad AdverbsClauses: Definition, Meaning, and How to Use ThemConjunctionsCoordinating Conjunctions: What Are They and When Should You Use Them?Dangling ModifiersDeclarative Sentence: Examples + MeaningExaggerationHomophones: Definition and ExamplesHow to Use Subordinating ConjunctionsInfinitivesInterjections: Definition, Meaning, and ExamplesIntransitive Verb: Definition, Meaning, and ExamplesNounsParticiples PluralsPrepositional Phrase: What Is It & How to UsePrepositionsSplit Infinitive: The Complete Guide (with Examples)Subordinate Clause: Definition, Types, and ExamplesThe Complete Guide to Transitive VerbsTransitions: A Complete Guide (with 100+ Examples)Types of VerbsVerbs: Types of Verbs, Definition and ExamplesWhat is a Pronoun? Rules and ExamplesWhat Is Symbolism in Writing?Word ClassesDo we need "manage to" in a sentence?

You should change any form of "manage + to + verb" to the form of the verb that corresponds with the form of "manage" used in the sentence.
This change makes your writing clearer and more concise.
Example 1
- Original: He barely managed to arrive on time.
- Rewrite: He barely arrived on time.
Example 2
- Original: Kate managed to make a cake for the bake sale.
- Rewrite: Kate made a cake for the bake sale.