Try trI'm trying to improve my English.

He is over 70 years old.

I want to speak a lot of English a lot with him.

I am going to try my best to master English.

tThank you all for your supoport.

Try trying English.

He is over 70 years old.

wWhile he is well..,

I want to speak a lot of English a lot with him.

Sounds more natural

I want to be able to talk to him.,

So I am going to try my best to master English.

tThank you all for the supoport.

Try try English.

'I give English a try.' 'My English Attempt.'

He is over 70 years old.

wWhile he is well..

I want to speak English a lot with him.

I want to speak English with him while he is still healthy.

I am going to do my best to master English.

'to master the English language.'

tThank you all for your supoort.

'Thanks for your/the support!'

Try try English.

He is over 70 years old.

wWhile he is well..,

I want to speak English a lot with him.

You can use "I want to speak a lot of English with him" instead.

I am going to try my best to master English.

You need a verb.

tThank you all for your supoport.

"Support" needs a determiner, like "the" or "your."

Try try English.

He is over 70 years old.

wWhile he is well..,

I want to speak a lot of English a lot with him.

I am going to do my best to master English.

tThank you all for your supoport.