Supply the corect tense or form of the verb in parentheses

II. Supply the corect tense or form of the verb in parentheses :
1. If  I see him, I (give) _________________________ him a lift.
2. Look! Somebody (climb) _________________________ up the tree.
3. We (know) _________________________ each other for 5 years.
4. How often you  (take) _________________________ a shower ?
5. She can (speak) _________________________English very well