TOEIC & TOEFL English learning forum
trouble to concentrate
English as a Second Language
English Vocabulary, Grammar and Idioms
Allifathima
August 21, 2013, 3:45am
1
Sita is having trouble concentrating on the exam.
Sita is having trouble to concentrate on the exam.
Are these sentences OK?
Luschen
August 21, 2013, 4:43am
2
Only
#1
is ok -
#2
is incorrect in any context.