What tense 1
I got a letter in the mail on Tuesday.
Past simple!
When will you go to bed tonight?
Future
I eat vegetables/ I am eating vegetables
--right now/every day.
I eat vegetables every day.
I am eating vegetables right now.
He will study engineering at university
Future simple
We were playing with the cat when my mom told us dinner was ready.
Past continuous and past simple
He was doing homework when I arrived./ He did homework when I arrived.
--Did he stop when you arrived?/Was he waiting for you to help him?
He was doing homework when I arrived. --Did he stop when you arrived?
He did homework when I arrived.-- Was he waiting for you to help him?
I studied history at university
past simple
Are you laughing at me?
Present continuous
I will go to France this summer./ I went to France this summer.
--The speaker is speaking in May. The speaker is speaking in September.
I will go to France this summer.--speaking in May.
I went to France this summer. --speaking in September
Present perfect
He goes hiking every Saturday.
Present simple
I'll buy dinner for us tomorrow./ I'm going to buy dinner for us tomorrow.
It's a plan./ It's an offer.
I'll buy dinner for us tomorrow--It's an offer.
I'm going to buy dinner for us tomorrow--it's a plan.
Why haven't you decided what you want for dinner?
Present perfect
Where is Jack?
Present simple
They performed when I arrived.
--I got to see their performance./ I did not see their performance.
They had already performed when I arrived--I did not see their performance.
They performed when I arrived--I got to see their performance.