Theose 2 days, I was busy. Those 2 days, I was busy.

These past 2 days, I washave been busy. These past 2 days, I have been busy.

have been - you started being busy 2 days ago, and continued to be busy for the past two days Use "have been" when an action starts in the and lasts at least up until the present.

I did thea First Aid and CPR Taining course. I did a First Aid and CPR Taining course.

I did the First Aid and CPR Training course. I did the First Aid and CPR Training course.

It was a little bit hard doing it during this time, you know, because of the pandemic time. It was a little bit hard doing it during this time, you know, because of the pandemic.

It was a little bit hard during thisese times, you know, during the pandemic time. It was a little bit hard during these times, you know, during the pandemic.

"These times" refers to a period of time or an era "This time" refers to one specific time (often it is the oppose These times are challenging for all of us. The times in ancient Greece happened long ago. This time when I went walking, I saw a dog. I want you to come with me this time because you didn't come last time.

There were only 6 students in the class room. There were only 6 students in the classroom.

"classroom" is 1 word in English but "living room" is 2 words It depends on the specific example if it is 1 or 2 words

Every one had their own space and materials to keep distance. Everyone had their own space and materials to keep distance.

Every one had their own space and materials to keep their distance. Everyone had their own space and materials to keep their distance.

everyone - 大家 every one - 每一个（东西/人） Everyone stood up. Every one of the toys was red. Every one of us was happy.

We didweren't allowed to change positionmove around and doing any team work. We weren't allowed to move around and do any team work.

We didweren't allowed to change position and doingmove around the room or do any team work. We weren't allowed to move around the room or do any teamwork.

Of course we had to wear masks all the time. Of course we had to wear masks all the time.

Of course we had to wear a mask all the time. Of course we had to wear a mask all the time.

But his speakingech was a little bit fast, and there were many words that I doidn't know, especially the names of diseases and medicines. But his speech was a little bit fast, and there were many words that I didn't know, especially the names of diseases and medicines.

But his speaking was a little bit fast, and there were many words that I doidn't know, especially the names of diseases and medicines. But his speaking was a little bit fast, and there were many words that I didn't know, especially the names of diseases and medicines.

Some times I had to ask him to spelling them out, then translated them. Sometimes I had to ask him to spell them out, then translated them.

Some times I had to ask him to spelling them, and then translated them. Sometimes I had to ask him to spell them and then translate them.