Use: The Past Simple describes a completed action at a specific, known time in the past. The time is either stated ("yesterday", "in 2019", "last week") or clearly finished and understood from context. The important thing is that the action is completely over, and the time is specific.
| Infinitive | Past Simple | Infinitive | Past Simple | Infinitive | Past Simple |
|---|---|---|---|---|---|
| go | went | see | saw | eat | ate |
| buy | bought | write | wrote | come | came |
| take | took | give | gave | make | made |
| have | had | do | did | be | was / were |
| get | got | leave | left | meet | met |
| feel | felt | find | found | know | knew |
| tell | told | win | won | say | said |
Use: The Present Perfect connects the past to the present. You use it when the specific time does NOT matter or is NOT known — what matters is the experience, the result now, or the connection to the present moment. Compare: "I saw him last night" (specific time → Past Simple) vs "I have seen that film" (no specific time, life experience → Present Perfect).
| Infinitive | Past Simple | Past Participle | Infinitive | Past Simple | Past Participle |
|---|---|---|---|---|---|
| go | went | gone / been | see | saw | seen |
| eat | ate | eaten | write | wrote | written |
| come | came | come | take | took | taken |
| give | gave | given | be | was/were | been |
| do | did | done | know | knew | known |
| speak | spoke | spoken | break | broke | broken |
We use the Zero Conditional for things that are always true — scientific facts, natural laws, and personal habits. The result is 100% certain every single time. It is not a prediction and it is not about the future. Both parts of the sentence use the Present Simple. You can also use "when" instead of "if" when something always happens without any exception.
Elena had a wonderful summer holiday last year. In July, she decided to visit her cousin in Plovdiv. She took the train from Sofia early on a Thursday morning and the journey lasted about two hours. When she arrived, her cousin took her straight to the old town, where they walked through the narrow cobblestone streets and visited two museums. On the second day, they drove to the Rhodope Mountains. The views were breathtaking. They found a small village café and ate homemade banitsa with cold yoghurt for breakfast. Elena loved it so much that she bought a large jar of local honey to take home. On her last evening, they went to a traditional restaurant near the river. Elena ordered grilled fish and a glass of local wine. She came back to Sofia feeling very relaxed and happy, and she is already planning to visit again next summer.
1. When did Elena visit Plovdiv?
2. How did Elena travel to Plovdiv?
3. What did Elena buy in the mountain village?
4. The text says Elena "is already planning to visit again." What is the best grammar explanation?
Tom is a thirty-five-year-old travel journalist. Since he started his job ten years ago, he has visited more than forty countries. He has been to every continent except Antarctica. He has eaten unusual foods in many places — he has tried snake in Vietnam and raw fish in Japan. Interestingly, Tom has never been to Bulgaria, but he has always wanted to go. He has read a lot about it recently and has already made a detailed plan for his trip. He has just bought his train tickets from Sofia to Plovdiv. However, he has not booked a hotel yet because he prefers to decide when he arrives. He has spoken to several people who have been to Bulgaria. They all say the food is excellent. Tom has not felt so excited about a trip for a very long time. He is planning to travel there in October.
1. How long has Tom worked as a travel journalist?
2. Which continent has Tom NOT visited?
3. What has Tom already done to prepare for Bulgaria?
4. Why hasn't Tom booked a hotel yet?
Mrs Kovacheva is a science teacher at a secondary school in Plovdiv. Every year, she introduces her students to zero conditional sentences, which she uses to explain scientific facts and general truths. "If you heat water to one hundred degrees Celsius, it boils," she explains. "If you mix yellow and blue paint, you get green. If you leave bread in a warm, damp place for several days, mould grows on it." She also gives examples from daily life: "If you eat too much sugar, your teeth get damaged. If you do not sleep enough, your body does not function properly." Mrs Kovacheva always reminds her students of one important rule: "We use the present simple in BOTH parts of the sentence. There is no future tense. The result is always true — it is not a prediction or a possibility. It is simply a fact."
1. What does Mrs Kovacheva use zero conditional sentences to explain?
2. What happens if you mix yellow and blue paint?
3. What tense does Mrs Kovacheva say is used in BOTH parts of a zero conditional?
4. According to Mrs Kovacheva, the zero conditional describes:
Maya was born in Varna in 1990, but she has lived in Sofia since 2015. She works as a graphic designer for a small company in the city centre. She moved to Sofia because she found a better job there, and she has never regretted that decision. Before she came to Sofia, Maya visited many places in Bulgaria. She went to Plovdiv three times and loved the old town every time. She first saw the Rila Monastery in 2013 and was amazed by its size and beauty. Since then, she has returned there twice with different friends. Maya has a simple health rule: if she exercises regularly, she feels much better and sleeps well. If she does not go to the gym for more than a week, she feels tired and finds it hard to concentrate at work. She has not travelled abroad yet this year, but she has already booked a flight to Madrid for November and is very excited about the trip.
1. Where was Maya born?
2. Why did Maya move to Sofia?
3. What is Maya's health rule about exercise?
4. What has Maya already done for her travel plans?
James is a British teacher who from a trip to Bulgaria. He there last month with his wife and in a small hotel in Sofia for a week. He says he to Eastern Europe before and that this trip was a life-changing experience.
Since he returned, he all his students about his adventures. On his third day, he the famous Rila Monastery and hundreds of photographs. He loved it so much that he tickets for a second visit next summer.
He learned an interesting fact: if you rose petals with water and heat them slowly, you rose oil — Bulgaria produces more of this than almost any other country in the world.
"I food this good before," he told his class. "If you Bulgaria," he added, "you always want to come back."