What's the difference between "I HAD the windows cleaned" And "I GOT the necklace made" When can i use HAD or GOT in situations like that?

What's the difference between the phrases: 1. "I cleaned the windows" And "I had the windows cleaned" 2. " I made the necklace " And "I got the necklace made"

what is the difference between these two sentences? Differense in the sense and grammar structures. (Notice the question is only in the first one) - "The design of that china plate is earnest- however did they manage to paint such fine detail?" - "The design of that china plate is earnest, however they managed to paint such fine detail."

Help me please. I can't figure out if it's plural or singular: Traffic jams is/are a problem that a large proportion of people face/faces.

Hello everybody! I am looking for a partner to study English. Correspondence and calls:)

Are "might as well" and "why not" interchangeable?

Is it correct to say "an appropriate email structure" or "an appropriate email form" in educational text meaning that a student should use formulaic expressions to start and finish their email, devide their email into paragraphs etc ?

To get/Getting some adrenaline is the most favoured motive to do extreme sports. Which variant is correct - to get or getting?

The excitement you'll feel knowing that whatever the result (is), you've gained great knowledge and understanding. Is the word 'is' necessary here？

I have always thought he is a good guy. I have always thought he was a good guy. I have always thought he has been a good guy. What are the differences?Do all three mean the same thing? Are there any grammatically wrong sentences? To non-native English speakers, they will think "have always thought" is PRESENT perfect tense. It started in the past, and it's continueing to the PRESENT. Therefore, "is" and "has been" are correct, and "was" is wrong, right? If you don't think so, you can say ''no" and then explain. Cuz you are my teacher.