Present simple + continuous He often sleeps late. - He is sleeping now.
Past simple + continuous I worked in Leeds last week. - I was working when she came.
Future simple + continuous We will fly to Dallas soon. - We will be flying to Dallas at 10 o'clock.
Present perfect I have already done it. - I have been doing it for ages.
Past perfect We had sent five emails before our boss arrived. - We had been sending emails before our boss arrived.
Future perfect They'll have built our house by the end of this year. - They'll have been building our house for three years by the end of this year.
Other verb forms:
Going to + Present tenses for future He's going to come tonight. - He's coming tonight.
Regular + irregular verb forms live - lived - lived, take - took - taken
Recommended exercises on verb tenses:
Present tenses Choose correct verb forms to complete sentences.
Future tenses Correct mistakes with more suitable forms.
Past tenses Choose correct forms in a multiple choice test.
Present perfect Complete sentences with verbs in brackets.
Past perfect A multiple choice test.
Future perfect Complete the dialogue.
Going to Disagree with the statements and give the correct information.
See also online exercises on mixed tenses below.
Mixed tenses - exercises with answers online:
Going to + Present tenses Correct mistakes.
Going to + Present tenses Complete sentences with verbs in brackets.
Future tenses + Future perfect A multiple choice test.
Past simple + Present perfect Choose the correct answers.
Past simple + Present perfect Correct mistakes.
Past simple + Present perfect + Present simple Match situations to related sentences.
Past simple + Present perfect + Present simple A multiple choice test.
Past tenses + Present perfect + Past perfect Find right answers.
Past simple + Past perfect Rewrite sentences.
Past simple + Past perfect Complete sentences and keep the same meaning.
Past perfect + Present perfect Choose the correct answers.
All these materials are written for students and teachers of English as a foreign language.