Question

he had narrow escaped use an adverb for narrow​

Answer 1

narrowly just add -ly for adverb

Answer 2

$\bf\underline {Answer :-}$

▪He had narrow escaped.

=>$\bf {He \:had \:narrowly \:escaped.}$

$\bf\underline{Additional \:Information :-}$

▪The adverb is used to describe the quality of verb. In other words, it changes and modifies the verb.

▪Adverb is of four types :-

1. Adverb of manner (how)

2. Adverb of place (where)

3. Adverb of time (when)

4. Adverb of frequency (how often)

▪Narrow shows $\bf {adverb \:of \:manner}$ thus we used "ly" with it i.e. narrowly.