[Grammar] Present and past tense usage with 'thought' and 'said'

[talk2sessy]

I thought you were going next week.
or
I thought you are going next week.


I thought he was a doctor.
or
I thought i thought he is a doctor.


He said he needed a calculator, so i gave him.
or
He said he needs a calculator, so i gave him.

 

[The Maltese Falcon]

'Thought' and 'said' are both in the past tense so we use 'were' instead of 'are', 'was' instead of 'is' and 'needed' instead of 'needs' to make the past continuous.

Also:
He said he needed a calculator, so i gave him. He said he needed a calculator, so I gave one to him.

 

[Checkmate]

'Thought' and 'said' are both in the past tense so we use 'were' instead of 'are', 'was' instead of 'is' and 'needed' instead of 'needs' to make the past continuous.

Also:
He said he needed a calculator, so i gave him. He said he needed a calculator, so I gave one to him.

I was taught you could use present tense after "said".

Not a teacher.

 

[Matthew Wai]

I think you can use the simple present as long as he still needs it now.

Not a teacher.