Jul 31, 2019 - Common Grammar Mistakes in English, Grammatical Errors Table of Contents Confusing the Infinitive, Gerund or Base Form of the VerbWrong Word UsageMisusing Adverbs and AdjectivesSubject-Verb AgreementChoosing the Wrong TenseCommon Mistakes With Prepositions in EnglishExamples of Grammar Mistakes Confusing the Infinitive, Gerund or Base Form of the Verb Examples; I must to buy a new cartoon book. I must buy a new cartoon book. You use the infinitive with modals like should, must when you should use the base form of the verb but You can also use gerunds when you should use infinitives: Examples; I decided going to the cinema
