1) - C/ Might you help me with the chores tomorrow? Oh, so
2) - Con / Might I borrow your laptop? - Sure. I don't need it until the evening
3) it wasn't easy, but finally we were able to / could win the match.
4) You mustn't don't have to pay in advance. It's possible to do it after you get the parcel
5) Henry had to must phone his mum every two hours so she didn't worry.
Task 4​

The small, lovely beach hotel you seek, for a restful vacation beside the Mediterranean Sea and under the sun. You will find our modern hotel directly at the beach. The busy town centre, with tavernas, bars and shops, is only 300 meters away. The beautiful, long, sandy beach, lies right in front of the hotel. The new hotel has been set up in ancient style. There are nice, flourishing gardens between the buildings, that create a unique atmosphere. Moreover, hotel provides swimming pools (with children pool), a bar, a reception, a breakfast area and a restaurant beside the sea. The studios offer space for 2 people. All accommodations are fitted out tastefully with shower/WC, double or single beds, kitchenette, air-conditioning system, safety box and either balcony or porch with sea view.

- Nowadays, many small football pitches use artificial grass instead of natural. 
- Water parks always have shallow swimming pools for kids to use and deep pools for more experienced swimmers.
- It's not a good idea to make approximate measurements in a scientific laboratory. The scientists have to measure  an exact amount of chemicals to get reliable results.
- This street is usually quiet but it's busy now because of major road works. 
- A rapid response team has been called to assess and treat a patient immediately. The patient was found by a nurse in a rough condition (только это не антонимы).
- In anatomy, the most superior part of the body is the head and feet are the most inferior. 
- All boxers are divided into weight classes, there are different types of heavyweight and lightweight classes. или если нельзя изменить слова, то вот простое предложение Feathers are very light but airplanes are heavy. 
- Some people get very emotional in difficult situations but it's important to keep calm and think rationally. 
- People who want to loose weight tend to eat high-protein and low-fat foods.
- He used to go to a Catholic school which had rigid regulations.  He was very happy to transfer to a different school with more flexible rules. 
- It's not a good idea to eat stale bread. You are better off buying a fresh loaf of bread. 
- My dad is a strong person but he is also very gentle. 
- There are a lot more people in the Scandinavian countries with fair hair and blue eyes than with dark hair and dark eyes.