CEF Levels: Elementary -- Advanced
1 List of Irregular Verbs
2 Principal Parts of Irregular Verbs

CEF Levels: Elementary / Pre-Intermediate / Intermediate
1 Gap-fill, Positives, Part 1 (Letters A, B, C)
2 Gap-fill, Positives, Part 2 (Letters D, E, F, G, H)
3 Gap-fill, Positives, Part 3 (Letters K, L, M, N, O, P, Q, R)
4 Gap-fill, Positives, Part 4 (Letter S)
5 Gap-fill, Positives, Part 5 (Letters T, U, V, W)

1 Gap-fill, Negatives, Part 1                  
2 Gap-fill, Negatives, Part 2                 
3 Gap-fill, Negatives, Part 3
4 Gap-fill, Negatives, Part 4
5 Gap-fill, Negatives, Part 5

1 Gap-fill, Interrogatives, Part 1
2 Gap-fill, Interrogatives, Part 2
3 Gap-fill, Interrogatives, Part 3
4 Gap-fill, Interrogatives, Part 4
5 Gap-fill, Interrogatives, Part 5