ESL Grammar: Introduction to Present Perfect Tense Post author: Post published: Post category:Tenses Worksheets This ESL grammar lesson introduces students to the present perfect tense. Download lesson as pdf You Might Also Like ESL Grammar: Past Continuous Tense (with “while” and “as”) ESL Grammar: Present Tense (practice adding -s/-es to verbs) ESL Grammar: Present Continuous Tense (verb+ing)