Intermediate English Grammar Step by Step

Please notice that there may be other options to the ones provided in this key. Furthermore, a slash (/) has been used to include different alternatives.

1 a can't / cannot, be able to b could c Can, could, can't / cannot d be able to e been able to

2 a could b was able to c could not / couldn't d could e was able to

3 a Can / May / Could b can / may c been allowed to d could e Can

4 a may b may c can d may not e Do you think (that)

5 a may / might, may / might, can't / couldn't b could c can't / couldn't d can't / couldn't e could

6 a Can, can't b was able to c may / could / might d could e can f may g can't h Do you think (that) i can't j can, can't k Can / May / Could, can / may l could m be able to n May / Could o be able to p could / might q been able to r may / could / might s may / could / might t can / may u May v may w could, can't x can't y can't z could

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    Contents

1.  The verb "to be" (the key)

2.  The modal verbs "can" and "may" (the key)

3.  The verb "have" (the key)

4.  Have to, must, need not, cannot and should (the key)

5.  The simple present and the present continuous or progressive (the key)

6.  The simple past and the past continuous or progressive (the key)

7.  The present perfect simple, the simple past, the present perfect continuous (or progressive), the past perfect simple and the past perfect continuous (or progressive) (the key)

8.  The "be going to" form, the present continuous and the future simple (the key)

9.  Irregular verbs

10.  Conditional sentences (the key)