As per the past perfect tense definition, When we are talking about the past and want to mention something that happened earlier we use past ... ... <看更多>

Do you ever use the PAST PERFECT TENSE (“I had worked”)? Do you know this advanced tense can help you talk about the past in a special way? ... <看更多>

I (bake, baked, will bake) several dozen cookies for tomorrow's bake sale. ... The past participle can be used to form the present perfect tense. ... <看更多>