would anyone please tell me what are the verb strings of the following sentence;
* His wife had had an affair with his mother.
* Could a loving father of three with a new life ahead of his really be capable of attempted murder?
* The players must have been sitting on the edge of their seats!
1- which one is the auxiliary & the lexical verb?
2- are they finite or non-finite form of verbs? if possible, why?
would anyone plz answer me! :(