1. In the first pair of examples, "could" is used to describe past ability, while "able to" is used to describe a specific event in the past where the person was able to swim to shore. "Could" refers to a general ability or skill, while "able to" is more specific to a particular situation.
2. "Must" is used to express an obligation or necessity, while "have to" is used to express a requirement or obligation. In the first sentence, the speaker expresses a personal desire to buy a new suit, while in the second sentence, there is a specific obligation to buy a suit for a new job.
3. "Should" is used to give advice or suggestions, while "could at least" is used to express frustration or disappointment with someone's behavior.
4. "Would" is used to describe a habitual action or behavior in the past, while "used to" is also used to describe a past habit or behavior that has now changed.
5. "Didn't need to" is used to describe a situation where something was not necessary, while "needn't have taken" is used to describe a situation where something was done unnecessarily. The first sentence suggests that taking towels was not necessary, while the second sentence suggests that the speaker regrets taking the towels.
My day usually starts early in the morning. I wake up at 6:00 am and immediately get out of bed. I then make myself a cup of coffee and sit down to read the news for a few minutes.
After that, I get dressed and head out to work. I usually take the subway, which is very convenient for me. Once I arrive at work, I spend most of my day in front of the computer, answering emails, and completing various tasks.
During my lunch break, I usually go for a walk outside to get some fresh air and stretch my legs. I often bring my own lunch from home, which is usually a sandwich and some fruit.
After work, I like to unwind by going for a run or doing some yoga. This helps me to clear my mind and relax after a long day.
In the evenings, I usually cook dinner and spend time with my family. We often watch TV or play games together. Before bed, I like to read a book or listen to some calming music to help me fall asleep.