Focus
• Present Simple Tense: V1+s/es
• Past Simple Tense: V2
• Present Continuous: Is/am/are + Ving
• Past Continuous Tense: Was/were + Ving
Two Tenses
• He was running through Zambia when he saw a lion.
• He was running through Zambia while he saw a lion.
• He saw a lion when/while he was running through Zambia.