tea I'll take tea. I'm taking tea now. I took tea. I have just taken tea.
「私は、お茶を飲もう。」 I'll take tea. I won't take tea. You'll take tea. You won't take tea. Will you take tea? Yes, I will. No, I won't. What will you take? I'll take tea.
「私は、今お茶を飲んでいるところです。」 I'm taking tea now. I'm not taking tea now. You are taking tea now. You aren't taking tea now. Are you taking tea now? Yes, I am. No, I'm not. What are you doing now? I'm taking tea now.
「私は、お茶を飲みました。」 I took tea. I didn't take tea. You took tea. You didn't take tea. Did you take tea? Yes, I did. No, I didn't. What did yo take? I took tea.
「私は、ちょうどお茶を飲んだところです。」 I have just taken tea. I haven't taken tea yet. You have just taken tea. You haven't taken tea yet. Have you taken tea yet? Yes, I have. No, I haven't. What have you taken? I have just taken tea.