I have traveled to Panama once but have not yet traveled to Spain. We use the present perfect tense to talk about actions or experiences that began in the past and continue in the present, or that happened at an unspecified time in the past. Time expressions like "ever", "never", "once", and "many times" are used with the present perfect, while expressions indicating a specific time like "yesterday" and "one year ago" are not used with it.

1. I have traveled…

2. We use the Present Perfect for: Actions or things that started in the past and continue in the present Experiences Things that happened at an unspecific time in the past

3. Time Expressions Use: Do not use: Ever Never Once many times several times Before so far Already yet Yesterday one year ago last week when I was a child when I lived in Japan at that moment that day one day

4. STRUCTURE I have gone to Panama once Person + AUX + Verb (participle) I have n’t traveled to Spain yet Person + AUX + not + Verb (participle) Have you ever been to Panama or Spain ? Aux + person + verb (participle)

5. TIPS We often use never and ever in Present Perfect… We often use since and for … We often use just, already and yet… To talk about experiences To say how long the action has lasted For an action in the past with the result in the present