Ask Me Anything⌘K

CartChat

Sign in

APTITUDE for GATE Exam
English (Verbal Aptitude)
Modals
Modals of Obligation, Necessity and Advice
[Notes] HAVE TO_HAS TO_HAD TO - External Obligation

[Notes] HAVE TO_HAS TO_HAD TO - External Obligation

Open this lesson in the KnowledgeGate course player to continue.

Explore the full course: APTITUDE for GATE Exam

India's AI-powered learning platform for GATE, PSUs, UGC-NET, placements and coding.

Explore

All Courses
Blog
Community

Company

About Us
Careers
Contact Us
Feedback
System Status

Legal

Privacy Policy
Terms of Service
Refund Policy

Explore by category

Free Courses
GATE
NET
Govt Teaching Jobs
Placement Preparation
Coding & Skills
CS Fundamentals
PSU's
Govt Jobs
Govt Teaching Eligibility Tests
Banking & Insurance
Railways
PG Entrance Exams

© 2026 KnowledgeGate AI Private Limited. All rights reserved.

Loading lesson…