# Speaking Patterns — Obligation

# === Strong obligation ===
1|must|I {have to|need to|must} {finish this today|work late|catch the early train|call my mom|see the doctor}.
2|must|You {have to|need to|must} {wear a seatbelt|sign here|register first|wear a helmet|show your ID}.
3|must|We {have to|must|need to} {leave now|hurry up|book a table|change our plans|find a solution}.

# === Weaker obligation / advice ===
4|should|You should {try this|talk to her|see a doctor|apologize|read this book}.
5|should|I really should {exercise more|sleep earlier|call my parents|clean my room|save more money}.
6|should|We should probably {leave soon|wrap this up|grab a coffee|reschedule|take a break}.

# === No obligation ===
7|noobligation|You don't have to {come|do it|pay me back|stay late|be there|help me}.
8|noobligation|You {don't need to|aren't required to|aren't expected to} {bring anything|attend|reply|come in person}.

# === Past obligation ===
9|past|I had to {work late|cancel my plans|stay home|go to the dentist|finish the report} {yesterday|last weekend|on Friday|all day}.
10|past|We had to {reschedule|book a new flight|change our plans|leave early} because {of the weather|something came up|of an emergency}.

# === Asking about obligation ===
11|asking|Do I {need to|have to|really have to|absolutely need to} {come|pay|sign|register|attend}?
12|asking|Is it {required|necessary|expected|mandatory} to {wear a tie|bring ID|book ahead|register}?
