Question

6. I wasn't surprised to hear that Monica
(have) an accident as she is a very reckless driver.
7. Since the very first day when the Umbrella Company embarked upon such a dangerous and
risky lab-research
8. Very strange incidents (take place)................. within the research complex.
9- Urbanization ......... (always / be a problem which causes several environmental
challenges ever since the rate of migration ................... (increase) after the industrial revolution.
10. When I ............... (come) home this evening, my parents had gone out for a walk.​

Answer 1

Answer:

6. had

8. have taken place

9.  has always been, increased

10. came

Explanation:

• We must insert the appropriate verb tenses in the spaces provided.
• The verb must also be singular if the subject is singular.
• Add -s or -es to singular verbs.
• Don't add -s or -es to plural verbs.
• Verbs are words that describe an event, an action, or a state of being. A verb is necessary in almost all sentences. A verb's infinitive is its fundamental form.
• An action, state, or event is described by a verb. Verbs can be used to describe doing something, or actions.
• HAS HAD is used in If the main verb is HAVE, the tense is present perfect.
• Uses of Have and Has in the Present Tense.
• Both words are variants of the verb to have in the present tense. The present progressive tense (also known as the continuous tense) is having, while the past tense is had.

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