I don't know English tenses.I am weak in English g___.

I don't know English tenses.I am weak in English g___. ( )I am,weak in English.I don't know _. I am weak ____ English. I‘m weak in math and English Don't worry.I can help you with I'm weak in English. I don't know how ___________it in English. I don't know how to say in English I really don't know ___ in English. i don t know how to say in english. I don't know __in English. I don’t know how I can learn English well I don't know how I can make a sentence in English 同义句