Irregular Verbs: poteram

Latin

1. Which of these forms of possum translates to 'I am able' ?

2. Which of these forms of possum translates to 'They are able' ?

3. Which of these these forms of poteram translates to You (pl) were able?

5. What does the following sentence mean: puella scribere poterat.

6. How do you say 'We were able to write' in Latin?

One is from 'to be'; the other from 'to be able'

One is present tense; the other is imperfect tense

7. What is the difference between es and potes?