What tense is that verb?

Hi forum, I have a question regarding this sentence: Combining enormous physical strength with higher intelligence, the Neanderthals appear as equipped for facing any obstacle the environment could put in their path, but their relatively sudden disappearance during the Paleolithic era indicates that...

hey its a very simple question. "have + past participle" is something that used for present perfect. means recently some changes took place or something happened. the sentence semi colon to introduce another sentence that is in present tense and showing the affect of those recent changes....

His studies of ice-polished rocks (past perfect / simple pas

Hi forum, I have some troubles with this question: His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas. 1) 2) in whic...

Hi, thanks for the reply. Actually you are right, I should have explained it a little better. I am studying the verb tenses and this sentence has 4 answer choices with an "if" in it. The only one (which is correct) does not have an "if". So I was wondering if an "if" ca...

In an effort to reduce their inventories...

Hi forum, can you please help me with this sentence? I am confused about the verb tenses. In an effort to reduce their inventories, Italian vintners have cut prices; their wines have been priced to sell, and they are . 1) 2) are priced to sell, and they have 3) are priced to sell, and they do 4) are...

What does "it" refer to in this sentence?

Hi forum, can someone please help me indicating what the "it" refers to? I cannot find the antecedent Although various eighteenth- and nineteenth-century American poets had professed an interest in Native American poetry and had pretended to imitate Native American forms in their own works...

When to use "which"

Hi forum, I am a bit unsure about when to use "which" and when not. I have this example sentence and I do not know why if I can use "which" or not: In the past several years, astronomers have detected more than 80 massive planets, most of them as large or larger than Jupiter, whi...

Hi, thanks for your reply. I think we are talking a little bit about different things. THAT OF and THOSE OF do indicate copies - yes, I am fine with that. But I am wondering more about how MGMAT says that we should not use "this", "these", "that" or "those" in...