Will have done.

Examples:

• By next week I will have received my new computer.
• The film isn't very long. I will have seen it by dinner time.

Will be doing.

Examples:

• At this time on wednesday I will be travelling.
• I will be having dinner when she arrives tonight.

Shall

Examples:

• Shall I open the door?
• Shall I carry your case?

Be going to

Examples:

• Are you going to meet Sara tonight?
• I'm going to visit some cousins during my holiday.
• I'm going to be a singer when I grow up.

Will

Examples:

• I'll help you with your homework.
• I'll send you a postcard during my holiday.
• I'll call you when I arrive.

Present continous for future sentences.

Examples:

• I'm going to the party tonight.
• He's visiting his grandparents next weekend.
• Are you meeting your new teacher tomorrow?

Present simple for future sentences

Examples:

• The party starts at 9 o'clock.
• Tha train leaves at 11 p.m.