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Home / Teaching Resources / Grade 4 / English Language Arts Standards / Language / Conventions of Standard English / CCSS.ELA-LITERACY.L.4.1 / CCSS.ELA-LITERACY.L.4.1.B
Form and use the progressive (e.g., I was walking; I am walking; I will be walking) verb tenses.
(View this topic on www.corestandards.org )