The structure there + to be is very commonly used to say that something exists. There is normally an adverb of place. But the introductory there does not have any adverbial sense and is merely used to introduce the sentence.
The common types of relations indicated by the prepositions are that of place, time, manner, cause, reason, purpose, instrumentality, possession, contrast etc.
Prepositions of place
Prepositions are of five different kinds:
1. Simple prepositions
2. Compound prepositions
3. Double prepositions
4. Participle prepositions
5. Phrase prepositions
The present perfect continuous tense is used to talk about an action that started in the past, has continued up to the present and is still continuing.
Structure: Subject + has/have + been + -ing form of the verb + object/complement/adverbials etc.
Common Errors with the Present present tense
‘Where is Alice?’ ‘She has been to the market.’ (Wrong)
She has gone to the market. (Right)
The present perfect tense is used to represent an action which has been completed within a period of time that extends up to the present. The present perfect tense can also be used to talk about actions which cannot be attributed to a definite point of time.
By adding –ly to an adjective:
Strange, strangely; brave, bravely; beautiful, beautifully; able, ably; cheerful, cheerfully; modest, modestly; probable, probably; selfish, selfishly; vigorous, vigorously