Final answer:
A licensee can sign and execute a lease form, negotiate the terms, and modify the lease form to fit specific needs, encompassing all of the options provided.
Step-by-step explanation:
A licensee with a lease form can perform several actions. Firstly, they can sign and execute the lease form, which makes the agreement legally binding between the lessee and the lessor. Secondly, they have the authority to negotiate the terms of the lease agreement, which allows both parties to reach mutually agreeable conditions. Lastly, the licensee can modify the lease form to fit their specific needs or the needs of the parties involved, as long as these modifications are legal and agreed upon by both parties. Hence, the correct answer to what a licensee can do with a lease form is 'd) All of the above'.