Something may be better than nothing . If trials compared low-cost therapy to the complete AZT regimen it's likely that the new regimens will prove less effective.
( Something ( ( may ( be ( better ( ( than ( nothing . ) ) ( ( If ( trials ( ( compared ( low-cost therapy ) ) ( to ( the ( complete ( AZT regimen ) ) ) ) ) ) ) ( it ( ( 's likely ) ( that ( ( the ( new regimens ) ) ( will ( prove ( less effective ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Something)) (VP (MD may) (VP (VB be) (ADJP (ADJP (JJR better)) (SBAR (X (ADVP (IN than)) (NP (NN nothing)) (. .)) (S (SBAR (IN If) (S (NP (NNS trials)) (VP (VBD compared) (NP (JJ low-cost) (NN therapy)) (PP (TO to) (NP (DT the) (JJ complete) (NNP AZT) (NN regimen)))))) (NP (PRP it)) (VP (VBZ 's) (ADJP (JJ likely)) (SBAR (IN that) (S (NP (DT the) (JJ new) (NNS regimens)) (VP (MD will) (VP (VB prove) (ADJP (RBR less) (JJ effective)))))))))))) (. .)))
It is better to have little than to have none at all.
( It ( ( ( is better ) ( to ( ( ( have little ) than ) ( to ( ( have none ) ( at all ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJR better)) (S (VP (TO to) (VP (VB have) (NP (RB little)) (ADVP (IN than)) (S (VP (TO to) (VP (VB have) (NP (NN none)) (ADVP (IN at) (DT all))))))))) (. .)))