Worksheets / Irregular verbs and present perfect simple Irregular verbs and present perfect simple Worksheet by Marta Barišić Language ENG Assignments 64 classrooms used this worksheet Irregular verbs and present perfect simple verb conjugation english grammar sentence structure Educational Standards CCSS CCSS.ELA-LITERACY.L.6.1.a CCSS CCSS.ELA-LITERACY.L.6.1.b Make it yours