Shi

What tense should I choose? I think it is a common phenomenon, but black people came to China,and they are in China.

Those who are remembered after death were successful. Can I use “were”. What is the difference between “were” and “are” here？

My professor asked me to write a summary of Walden. The experiences of the author was written in the past tense.

So when should we use the present past when summarizing？

1. They all have a boyfriend. (Does this sentence mean each of them have a boy friend?)

2. We all want to be a person who can win others' respect? (Should I change a person to people?)

3. These students can do a great job on their work. (Can these be used with a here?)

1.When you make a mistake，should you say It （is or was）my fault？2.When someone says thank you，should you say It was my pleasure or it is my pleasure？

When you win a match，you say I am the first or I was.2.I （took ，take or am taking）it for granted that he won the game.Do we use am taking sth for granted.4When you make a mistake，you say it （was or is）my fault.What I want is not only answers but also explanations

1.When you meet a friend，should you say “What a coincidence （it is or was）”2.The car of Tom or of Tom.When do u use of Tom's 3.When others say thank you，should you say “it is or was my pleasure”？

1.Today I （am or was）the first one to arrive school？2The future of （you or yours）depends on yourself.when do you use of yours.He （is or was）the best one in the this sports meeting（the meeting has finished）

（When others say thank you，you should say it （is or was）my pleasure2.When you just made a mistake，you need to say It is or was my fault？3The life of them or The life of theirs？

I think the mistake has happened（but I found “is” is common

1What you said doesn't or didn't make sense2.Yesterday，I played a game which （was or is simple）

1.yesterday，my mother bought a cake which（is or was）my favorite.2.Last week，my teacher showed us starry which （is or was）colorful3.Last week，I took part in running 400m race which （need or needs）both patience and speed.？

My teacher showed us a picture called star night which （is or was）colorful.which should I use here？I think the picture is colorful all the time but the thing was in the past

when a person apologize to you for a thing which has happened，you should say it doesn't or didn't matter（I have found many of us use present tenses）2When a person thank u for sth you helped him do，you should say it is or was my pleasure。，。

If a person just finished his presentation，and I need to evaluate this presentation， what tense should I use？ I should say your presentation is or was great？ your ppt gives or gave me much surprise. I hope a native speaker can tell me what you would say in daily life

1.If a person finish his presentation，should I say your presentation is or was great？Because the pre was in the past，but I feel not proper to use the past tense.2My high school life is a sad story to me.（can I use is here？I am in college now）

1.My high school life （is or was）a sad story？（I am in college now）2Your presentation and idea （are or were）great（I heared the person's presentation just now）3.What he said （is or was）a secret？

1.My high school life is or was or both sad story！2.This trip is or was great to me？3.I see him or I am seeing him？

If I heared a presentation，then I say the idea of the presentation is or was great. 2.Yesterday I ran 400m. Running 400m needs or needed both speed and patience.3 I played a game several days ago, the game was or is simple(is this a universal thing?)

Because the presentation was in the past，but my friends（we are Chinese） always us is. I want a native speaker to help me