Persian: توانستن usage

[alipasha]

Hello, I have several questions on the verb توانستن

1- من ترکی می توانم گفت and من ترکی می توانم بگویم ; are both grammatically correct sentences, which one is more widely used?

2- من فارسی می توانستم گفت ; does it mean I had been able to speak Farsi but, now, I can't speak?

3- این کتاب توان خواند ; is it a correct sentence? I mean this book is readable.

 

[utopia62000]

Hello, I have several questions on the verb توانستن

1- من ترکی می توانم گفت and من ترکی می توانم بگویم ; are both grammatically correct sentences, which one is more widely used?

2- من فارسی می توانستم گفت ; does it mean I had been able to speak Farsi but, now, I can't speak?

3- این کتاب توان خواند ; is it a correct sentence? I mean this book is readable.

The first 2 are too poetic and the 3rd is incorrect, What you want to convey can be said as follows:
1- من میتوانم فارسی صحبت کنم
2- من میتوانستم فارسی صحبت کنم. As you said, it implies you can not speak Farsi any more which sounds odd!
3- این کتاب قابل خواندن است.

 

[PersoLatin]

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2- من میتوانستم فارسی صحبت کنم. As you said, it implies you can not speak Farsi any more which sounds odd!

Just add در بچگی after من then it won’t be odd