I talked inused English to talk with a man on athe street today. I used English to talk with a man on the street today.

I talked in Englishspoke/was talking/talked with a man on a street today in English. I spoke/was talking/talked with a man on a street today in English.

I talked in English with a man on athe street today. I talked in English with a man on the street today.

"on a street" is grammatically correct, but "on the street" is a set expression

I was taerrible. I was terrible.

I was taerrible. I was terrible.

I was taerrible. I was terrible.

I couldn't/wasn't able to tell him anythinkg. I couldn't/wasn't able to tell him anything.

I couldn't tell him anythinkg. I couldn't tell him anything.

I couldn't tell him anythinkg. I couldn't tell him anything.

IMy English felt very weak In my English. My English felt very weak.

I felt very weak In my English was weak. I felt my English was weak.

I felt very weak Iin my English. I felt very weak in my English.

I thought I canwould be able to explain or, asking or telling something, but today I wasfelt helpless. I thought I would be able to explain, ask or tell something, but today I felt helpless.

I thought I can toould explain or, asking, or telling him something, but today I was helpless. I thought I could explain, ask, or tell him something, but today I was helpless.

I thought I can toould explain or asking about or telling something, but today I was helpless. I thought I could explain or ask about or tell something, but today I was helpless.

I must more practice English inmy conversational English more. I must practice my conversational English more.

I must more practice English more in conversation. I must practice English more in conversation.