Seudónimo Seudónimo
  • 03-05-2016
  • English
contestada

When using the perfect tenses of verbs, it's necessary to add a/an

A. irregular verb.
B. helping verb.
C. suffix.
D. infinitive.

Respuesta :

ali2713
ali2713 ali2713
  • 03-05-2016
Its is necessary to add a helping verb
Answer Link

Otras preguntas

Can you show me how to divided 33 into to two groups so the ratio is 4 to 7 show me all the work
the chemical reaction in which an element,such as iron, combines with oxygen to form an oxide is called
What is  a Nonlinear graph? i forgot
What did J.J. Thomson discover about the atom that changed the atomic model previously used?
how many tens in five hundred million
what is the area of a rectangle as a product
how does oral history help us understand the past
What type of map shows you mountains,rivers,and lakes
water is considered as a compound of hydrogen and oxygen and not a mixture of hydrogen and oxygen and comment on it
Algebra 1. i just need help with understanding multiple step equations like...72+4-14d=36 ???? D=????