Tenses and Modals: Complete Guide for Competitive Exams
Tenses and modals are heavily tested in error detection, sentence improvement, and fill-in-the-blanks questions. Mastering the 12 tenses plus correct modal usage gives you a decisive edge.
The 12 Tenses (Quick Overview)
Present: Simple, Continuous, Perfect, Perfect Continuous
Past: Simple, Continuous, Perfect, Perfect Continuous
Future: Simple, Continuous, Perfect, Perfect Continuous
Key exam traps: wrong sequence of tenses, incorrect use of perfect continuous, and confusion between simple past and present perfect.
Important Modal Rules
- Can / Could — ability, permission, possibility.
- May / Might — possibility, permission (may is more formal).
- Shall / Will — future; shall with I/We for suggestions/offers in formal English.
- Should / Ought to — obligation, advice.
- Must / Have to — strong obligation; must is stronger/internal.
- Modals are followed by base form of the verb (no “to”, no “-s”, no past form).
Common Errors
- Incorrect: He has gone to Delhi yesterday. → Correct: went / had gone.
- Incorrect: If I will study hard, I will pass. → Correct: If I study hard…
- Incorrect: You must to complete the work. → Correct: must complete.
Practice these with our 100 Golden Rules and full-length mocks at CrackTarget Mock Tests.
Related: Subject-Verb Agreement | Active & Passive Voice | Grammar Hub
Reference: British Council – Modals