'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous 'Like' for preference and description Adverbs of frequency 'Have to' and 'must' The past simple tense ...

Combining have been and were in this way is perfectly acceptable here, Umed. Often, in language use, deciding whether to use the present perfect or the past simple depends on your perspective on the ...

We use the present simple tense for things that we do regularly and for facts, habits, truths and permanent situations. We often use time expressions like every day, once a week, on Fridays.