German past (perfect) vs present 1st person singular

• German_perfect_tense_1st_sg.pptx
• German_Perfect_Tense_1st_sg_LISTENING.docx
• German_Perfect_Tense_1st_sg_LISTENING.pdf
• German_Perfect_Tense_1st_sg_READING.docx
• German_Perfect_Tense_1st_sg_READING.pdf
• German_Perfect_Tense_1st_sg_SPEAKING_LISTENING.docx
• German_Perfect_Tense_1st_sg_SPEAKING_LISTENING.pdf
• German_Perfect_Tense_1st_sg_WRITING.docx
• German_Perfect_Tense_1st_sg_WRITING.pdf